Rocket Kits and Kites

Upgrade your launch setup with the Estes 1010 Rail Buttons—designed for smooth, stable, and reliable takeoffs. Built from durable materials, these rail buttons ensure your Pro Series rocket glides seamlessly along the Pro Series Launch Rail for a picture-perfect liftoff.

Quick to install and built to last, they’re the essential finishing touch for serious rocketeers.

The 12 in. (30.5 cm) Printed Parachute is a preassembled recovery system designed for smaller model rockets. Lightweight yet durable, it’s the perfect choice when you need dependable recovery in a compact size.

Ready to use right out of the package, this parachute features attached shroud lines for easy connection to your rocket’s nose cone. Its balance of strength and lightness ensures gentle landings and repeatable launches.

• Preassembled design: Comes ready to use with shroud lines attached.
• Compact size: 12 in. diameter fits neatly into smaller rocket airframes.
• Easy attachment: Shroud lines slide through the nose cone anchor for quick setup.
• Lightweight but strong: Designed to provide soft, controlled landings.
• Reusable: Durable construction stands up to multiple launches.

The Estes 1/2A3‑2T engine is a single-stage mini engine designed specifically for lightweight model rockets, especially those built on BT-5 (13 mm) airframes. Ideal for backyard launches or small-field use, this engine delivers a dependable lift-off experience for smaller, beginner rockets. Each pack includes four motors, four igniters, and four starter plugs—ready for multiple launches right out of the box.

Offering a total impulse of 1.25 N‑s, peak thrust of approximately 8.3 N (1.9 lb), and a short thrust duration of 0.30 s, the 1/2A3‑2T provides a quick and spirited liftoff without overtaxing lightweight models. Following burnout, a 2-second delay gives your rocket time to coast to apogee before deploying its recovery system, minimizing stress on both rocket and engine.

Compact yet powerful, this 13 mm engine measures 1.75″ in length, weighs just 0.23 oz (6.5 g), and contains 0.07 oz (1.9 g) of propellant. Its size and energy make it a perfect match for mini rockets like the Mini Alpha™, Mini Bertha™, Mini Der Red Max™, Mini Mod™, and Mini Honest John™.

Whether used in educational settings, STEM programs, or hobbyist launches at home, the 1/2A3‑2T offers consistent and reliable performance. Built to Estes’ high standards, it’s a trusted engine for rocketeers who prioritize simplicity, repeatability, and fun in small-package launches.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes 1/2A3-4T Engine Bulk Pack is designed for rocketeers who love launching mini rockets with maximum fun. This 1/2A impulse engine is small but mighty, delivering exciting flights that are perfect for beginners and groups who want to see their rockets soar while still staying within a visible flight path.

Despite being a mini engine, the 1/2A3-4T packs plenty of power and offers reliable performance. It’s an excellent choice for younger rocketeers or group activities where keeping rockets in sight makes launches more engaging and manageable. Estes engines are precision manufactured for consistent results, giving you peace of mind with every countdown.

Bulk packs are a smart way to prepare for group launches or multiple flights in one session. Each pack comes with all the essentials you’ll need for 24 launches, including engines, starters, plugs, and recovery wadding. With everything in one place, you’ll spend less time gathering supplies and more time enjoying launches.

Whether you’re flying the Star Hopper bulk pack rockets or other compatible Estes mini-engine models, the 1/2A3-4T Engine Bulk Pack ensures smooth, safe, and exciting flights. From classrooms to rocket clubs, this pack is the perfect companion for rocketry adventures big and small.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes 1/2A3-4T engine is a dependable choice for launching lightweight model rockets. Designed as a mini engine with a 13 mm diameter, it delivers a total impulse of 1.25 N-sec and a peak thrust of 8.3 newtons. This quick-thrust, single-stage engine is ideal for smaller rockets that weigh up to 1.0 ounce at liftoff, giving them a powerful and reliable start to flight. With a time delay of 4 seconds before ejection, it allows for stable coasting and safe deployment of recovery systems.

Built with precision for modelers who value consistency, the 1/2A3-4T features a compact size of just 1.8 inches in length and weighs only 0.23 ounces. Despite its small stature, it packs a sharp burst of thrust lasting 0.3 seconds—perfect for short, fast flights in light rocket models. The engine’s performance is tuned to work with Estes’ mini engine-powered kits, providing dependable launches every time.

Each engine pack includes everything needed for multiple launches: four 1/2A3-4T engines, four starters, and four starter plugs. This convenient packaging is ideal for hobbyists who want to enjoy repeat flights without the need for additional components. The included starters and plugs simplify the ignition process, ensuring reliable performance from launch to ejection.

Perfect for beginners and seasoned flyers alike, the Estes 1/2A3-4T engine offers a balanced combination of thrust, delay, and compact power. Whether for hobby flying, educational projects, or flight testing, this engine provides a great entry point into mini-engine rocketry while delivering reliable Estes quality with every launch.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes 1/2A6‑2 engine is a single-stage, standard 18 mm engine tailored for rockets weighing under 2 oz (57 g) including engine—perfect for lightweight beginner models and small-field flights. Each package includes three engines, four igniters, and four starter plugs, so you’re ready to launch multiple rockets straight out of the box.

With a total impulse of 1.25 N‑s, a peak thrust of 8.90 N (2.0 lb), and a brief thrust duration of just 0.30 s, the 1/2A6‑2 delivers smooth yet dependable lift-off for small-scale rockets. After engine burn-out, the 2-second delay allows the rocket to coast to apogee before ejection, producing a controlled and safe recovery without overstressing your model.

Measuring 2.75″ in length and sized at 18 mm diameter, this engine complements a wide range of Estes beginner kits like Alpha III®, Hi‑Flier®, Wizard™, and Astron Constellation™, providing ideal performance for short to moderate altitude launches. At only 0.48 oz (13.6 g) with 0.10 oz (2.7 g) of propellant, it offers a well-balanced thrust-to-weight ratio for stable flight dynamics.

Perfect for educational use, backyard launches, and STEM programming, the 1/2A6‑2 is a trusted engine that consistently delivers repeatable results. Its combination of modest power, simplicity, and high reliability continues the Estes legacy of making model rocketry accessible and fun for all levels of rocketeers.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes 1/4" Two-Piece Launch Rod is built for serious rocketeers flying larger, heavier rockets. With its sturdy two-piece design, this rod provides the length and strength needed for stable liftoffs. It’s perfect for rockets powered by mid to high impulse engines, ensuring your models reach the sky with confidence.

Compatible with the 2238 Porta-Pad E Launch Pad and the 3552 Pro Series II Launch Pad, this rod is designed for versatility and reliability. Whether you’re upgrading your setup or preparing for your next big launch, this rod is a must-have for any advanced model rocket enthusiast.

• Durable Strength: 1/4" diameter steel rod built to handle heavier rockets.
• Two-Piece Design: Easy to assemble, transport, and store.
• Assembled Length: Measures approximately 5 feet long when fully assembled.
• Stable Liftoffs: Provides the length and rigidity needed for smooth, controlled launches.
• Pad Compatibility: Works with 2238 Porta-Pad E and 3552 Pro Series II Launch Pads.

The Estes 1/4A3-3T engine is a compact single stage engine designed specifically for lightweight model rockets. This 4 pack gives hobbyists a convenient bundle that includes everything needed to power four quick flights, including engines, starters, and starter plugs, all in one purchase.

What makes these mini engines great is their consistency. The 1/4A3-3T is engineered to produce steady, repeatable thrust so each flight behaves the way you expect. That reliability is ideal for new flyers learning the basics, for group events where predictable performance matters, and for experienced builders who want a small engine with dependable results.

Despite its small size, this engine delivers real performance with a total impulse of 0.625 N-sec and a 3 second delay for reliable deployment timing. The short burn and low weight make it perfect for delicate airframes and foam or balsa builds where a gentle boost and soft recovery help keep rockets intact and ready to fly again.

For safe and satisfying flights, pair the 1/4A3-3T with the recommended recovery gear and a proper launch setup. Always follow Estes safety guidelines and local launch rules. Add dependable mini power to your next project and enjoy smooth, repeatable launches.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes 15 Inch Nylon Parachute is the perfect recovery system for model rocketeers who need strength, durability, and reliability in every launch. Designed to handle repeated use, this bright red nylon chute ensures your rocket returns safely to the ground after soaring to new heights. Preassembled and ready to attach, it takes the hassle out of setup so you can spend more time flying.

Crafted from tough nylon fabric and reinforced with stitched braided nylon shrouds, this parachute is built for dependable performance. Its vibrant red color makes it easy to track during descent, helping you quickly locate your rocket after landing. Ideal for a wide range of rockets, this 15-inch parachute combines safety and visibility in a durable package.

• Durable Construction: Made from strong nylon cloth for long-lasting use
• Reliable Shrouds: Stitched braided nylon shrouds ensure secure recovery
• High Visibility: Bright red color makes it easy to spot during descent
• Ready to Fly: Comes fully assembled for quick and simple setup

The Estes 15 Inch Printed Parachute is the perfect recovery system when you need just the right size. Measuring 15 inches (38 cm) in diameter, it bridges the gap between 12-inch and 18-inch parachutes, making it an excellent choice for mid-sized model rockets. With its eye-catching two-color printed design, this parachute not only performs well but also looks great during descent.

Preassembled and ready to use, this parachute saves you time and effort so you can focus on your next launch. Durable and reliable, it ensures a safe recovery for your rockets, giving you the confidence to launch again and again.

• Ideal Size: Perfect middle ground between 12 in. and 18 in. parachutes.
• Preassembled: Ready to use right out of the package with no setup required.
• Durable Design: Made to withstand repeated launches and recoveries.
• Two-Color Print: Bright, printed canopy for easy visibility in the sky.

The 18 Inch Printed Parachute is the perfect balance of lightweight design and durability, making it an essential recovery system for a wide variety of model rockets. With its eye-catching two-color printed design, this parachute adds both performance and style to your next launch.

Made from LDPE plastic and preassembled with shroud lines securely attached, the 18 Inch Printed Parachute is ready to go right out of the package. Whether you’re upgrading your recovery system or replacing an older chute, this reliable parachute ensures safe, smooth descents and repeated use.

• Durable Construction: Made from lightweight LDPE plastic for dependable recovery performance.
• Two-Color Printed Design: Bright and stylish look for easy tracking and added flair.
• Preassembled: Shroud lines come already attached for quick, hassle-free setup.
• Ideal Size: 18 inches (46 cm) wide, perfect for rockets that need a mid-size parachute.

The Estes 1/8" Two-Piece Launch Rod is the perfect replacement part and alignment tool for your model rocket launch setup. Designed for rockets powered by standard engines, this durable rod ensures smooth, stable liftoffs every time.

Compatible with the Estes 2215 Porta-Pad II, the rod also serves as a reliable alignment tool for rockets with dual launch lugs. Lightweight, portable, and easy to assemble, this two-piece rod keeps your launches safe, steady, and consistently fun.

• Standard Size: 1/8 inch (3.2 mm) diameter launch rod for most standard engine powered rockets
• Reliable Stability: Guides your rocket until it reaches flight speed for stable launches
• Two-Piece Design: Easy to assemble, transport, and store
• Pad Compatibility: Fits the Estes 2215 Porta-Pad II
• Dual Use: Also works as an alignment tool for rockets with two launch lugs

Celebrate the holiday season with the 2024 Christmas Ornament from Estes Rockets. This limited-edition ornament is designed to honor Estes' legacy of inspiring rocketeers for generations, making it the perfect keepsake for hobbyists and space enthusiasts alike.

Crafted with care and attention to detail, the 2024 ornament adds a touch of aerospace wonder to your Christmas tree. Display your love of model rocketry this holiday season and share the excitement of space exploration with family and friends.

• Limited Edition Design: Commemorate the 2024 holiday season with a collectible Estes ornament.
• Aerospace Inspired: Features design elements that celebrate Estes’ rich rocketry history.
• Perfect Gift: An ideal stocking stuffer for hobbyists, educators, and space enthusiasts.
• Festive Keepsake: Add a unique touch of aerospace charm to your Christmas décor.
• Quality Craftsmanship: Durable and beautifully made to be cherished for years to come.

The 2025 Estes Rockets Catalog is your ultimate guide to the world of model rocketry—and it's FREE with any purchase! Packed with stunning imagery, detailed specifications, and the latest rocket releases, this catalog is an essential resource for rocketeers of all skill levels. Whether you're just starting out or a seasoned flyer, you'll find everything you need, from rockets and engines to launch accessories and exclusive designs, all in one place.

Want a copy? Just add it to your cart! The catalog isn’t automatically included with orders, so be sure to add it if you’d like one. It’s FREE with any purchase, or available for just $3.50 if ordered alone—and we’ll ship it at no extra cost when it’s the only item in your cart.

PLEASE NOTE: We need the address you receive your mail at. If you receive your mail at a PO Box, this is what we need to send you a catalog. If your catalog is returned as undeliverable, it will not be resent and no refund issued.

Celebrate the season with the 2025 Christmas Ornament from Estes Rockets. This year’s limited-edition design highlights the iconic K-25 Astron Alpha, a true classic that has inspired countless rocketeers on their first flights.

With its crisp detailing and festive artwork, the 2025 ornament brings the spirit of exploration to your holiday celebrations. Add it to your tree to showcase your love of model rocketry and share the excitement of liftoff with family and friends.

• Limited Edition Design: Commemorate the 2025 holiday season with an exclusive Estes collectible.
• Astron Alpha Tribute: Features the beloved K-25 Astron Alpha in a festive holiday setting.
• Perfect Gift: Great for hobbyists, educators, collectors, and space enthusiasts.
• Festive Keepsake: Add aerospace charm to your Christmas decor.
• Quality Craftsmanship: Durable and beautifully made to enjoy year after year.

Introducing the 2025 Estes Calendar, a must-have for rocketry enthusiasts and space aficionados. This calendar features stunning imagery of Estes Rockets' most iconic models, capturing the excitement and innovation of model rocketry. Each month showcases a different rocket, providing inspiration and a visual treat for hobbyists and fans alike.

Stay organized throughout the year while enjoying high-quality photographs that celebrate the legacy of Estes Rockets. Whether you're planning your next launch or simply admiring the artistry of these models, the 2025 Estes Calendar is the perfect addition to your home or office.

Order now to secure your copy and keep the spirit of rocketry alive all year long!

The Estes 220 Swift is a super high performance, mini engine powered rocket with attitude that really knows how to rip through the sky. Great things come in small packages has never been more true than with this little devil. This mini rocket is as sleek as they come and can reach amazing launch heights when used with our economical mini engines.

Here are some key features and benefits of the Estes 220 Swift rocket:

• Super high performance rocket that is powered by mini engines.
• The rocket measures just 4.5 inches in length but can reach impressive heights of up to 850 feet.
• The sleek design of the rocket adds to its speed and agility in the air.
• The rocket is easy to build and finish with only 10 parts. In addition, it includes precision wood fins and a durable plastic nose cone.
• The black and white self-stick decals make it easy to customize the rocket's look.
• The 220 Swift rocket safely tumbles back to earth after every launch, eliminating the need for a parachute.
• The Estes 220 Swift rocket is a blast to fly. Besides, it provides an exciting experience for rocket enthusiasts of all levels.

Talk about dynamite performance, the Swift is a blast to fly!

The Estes 24 Inch Printed Parachute is the perfect solution for rockets that demand reliable recovery with a splash of color. Preassembled and ready to fly, this lightweight yet durable chute ensures your larger models descend safely and smoothly after each launch. Its bold two-color design not only looks great but also makes tracking your rocket easier against the sky.

Die-cut from strong LDPE plastic and fitted with preattached shroud lines, this parachute is built for convenience and performance. Simply attach it to your recovery system and you’re ready for launch day. Ideal for rockets that need extra lift and stability during descent, the 24 inch parachute delivers both function and style for model rocketeers of all levels.

• Lightweight and Durable: Made from LDPE plastic for dependable strength without added weight.
• Preassembled: Arrives ready to use with shroud lines already attached.
• Two-Color Design: Brightly printed for improved visibility during recovery.
• Extra-Large Size: Measures 24 in. (61 cm) for larger model rockets requiring a bigger chute.

The Estes 24 mm Motor Retainer Set is the essential accessory for every rocketeer who values speed, convenience, and reliability. Designed to make engine changes quick and hassle-free, this retainer set is compatible with all Estes 24 mm C11, D12, and E12 motors. Whether you’re prepping for your next launch or swapping motors at the field, this accessory ensures a secure hold with effortless removal.

Crafted from heat-resistant ABS plastic, the 24 mm Motor Retainer Set is lightweight, tough, and built to withstand the rigors of repeated launches. With its threaded design, you’ll spend less time on assembly and more time enjoying smooth, powerful flights. A must-have for rocketeers looking to enhance performance and simplify their setup.

• Perfect accessory: Compatible with all Estes 24 mm C11, D12, and E12 motors
• Quick changes: Threaded design allows fast and easy engine loading and unloading
• Durable material: Molded in heat-resistant ABS plastic for long-lasting use
• Lightweight build: Provides strength without adding extra mass

The Estes 24 mm to 29 mm Engine Adapter makes it easy to fly rockets with 24 mm engines in a 29 mm mount. This versatile accessory allows you to use Estes C11, D, E, and E30 composite engines, as well as other 24 mm composite single-use and RMS motor systems, without having to modify your rocket.

Each package includes two durable orange paper adapter tubes, giving you everything you need for multiple flights. Reusable and reliable, this adapter is an essential tool for rocketeers looking to expand their engine options and maximize flexibility.

• Expand Compatibility: Use 24 mm engines in 29 mm mounts with no modifications
• Reusable Design: Durable adapter tubes support multiple launches
• Wide Engine Support: Compatible with Estes C11, D, E, and E30 engines, plus other composite systems
• Package Includes: Two orange paper adapter tubes
• Cost-Effective: Get more use out of your rockets with flexible engine options

Fine-tune your rocket builds with 240 Grit Sandpaper – the perfect tool for smoothing and finishing surfaces with precision. This single sheet of versatile sandpaper can be used wet or dry, making it an essential part of any rocketeer’s toolkit.

Whether you’re prepping balsa fins, smoothing body tubes, or perfecting a painted finish, 240 grit offers just the right balance of cutting power and finesse. Lightweight, flexible, and easy to handle, this sheet helps you achieve professional-quality results on every project.

• One Sheet: Includes 1 sheet of 240 grit sandpaper
• Wet or Dry Use: Works effectively in both applications
• Ideal Grit: Perfect for fine sanding, smoothing, and finishing
• Versatile Tool: Use on wood, plastic, and painted surfaces

The 3/16" Two-Piece MAXI™ Launch Rod delivers extra strength and length for launching larger Estes rockets. Built from durable steel, this rod is designed to give heavier rockets the speed and stability they need before taking flight.

Perfect for rockets powered by C11, D, and E engines, this launch rod helps your models reach safe liftoff velocity quickly. It attaches easily to the Porta-Pad II or Porta-Pad E and can also be used as an alignment tool for rockets with two launch lugs.

• Extra Strength: 3/16" diameter steel rod provides added durability for larger rockets.
• Two-Piece Design: Breaks down for easier transport and storage.
• Reliable Performance: Ensures rockets reach stable liftoff speed around 30 mph.
• Compatible Pads: Works with Estes Porta-Pad II (#2215) and Porta-Pad E (#2238).
• Dual Purpose: Also functions as a handy alignment tool for rockets with two launch lugs.

Take your rocket finishing to the next level with our 400 Grit Sandpaper. Perfect for smoothing surfaces, blending seams, and preparing your rocket for a flawless paint job, this versatile sheet can be used wet or dry to suit your building needs.

Whether you’re doing final touch-ups or refining delicate details, this fine-grit sandpaper gives you control and precision. A must-have accessory for rocketeers who want their builds to look professional and launch-ready.

• 400 Grit Sandpaper: Fine grit for detailed smoothing and finishing
• Versatile Use: Can be used wet or dry for different applications
• Professional Finish: Perfect for prepping rockets before painting
• Durable Sheet: Made to last through multiple uses

The 50A Injection Molded Nose Cone Pin is a small but essential part of your rocket’s recovery system. Designed for BT-50 body tubes and nose cones without molded eyelets, this pin securely attaches your shock cord and parachute or streamer to the nose cone, ensuring smooth, reliable deployment at apogee.

Made from clear ABS injection molded plastic, the 50A Nose Cone Pin offers excellent durability, resisting cracks and deformation through repeated launches. Its precise fit and sturdy construction make it a dependable choice for many BT-50 body tube and nose cone combinations, including popular models like the Mini Der Red Max, Athena, and Tri-Flyer.

• Diameter: 0.95 in. (2.41 cm)
• Material: Clear Injection Molded ABS Plastic
• Compatible Body Tube: BT-50
• Used in these kits: Mini Der Red Max, Athena, Tri-Flyer
• Durable construction to withstand repeated launches without deformation
• Plays a critical role in proper recovery system orientation and parachute deployment
• Designed for versatility with multiple BT-50 nose cone and fin can combinations

The Estes 6 in. (15.2 cm) Printed Parachute is the perfect solution for smaller model rockets requiring a lightweight recovery system. Featuring a bright two-color printed design, this preassembled parachute is ready to use right out of the package.

Compact, durable, and reliable, the 6 in. parachute helps ensure safe landings while keeping your rocket in great condition for repeated flights. Just attach it to your rocket’s nose cone and you’re ready for launch day excitement.

• Compact Size: Ideal for small model rockets requiring a 6 in. recovery system
• Preassembled: Comes fully assembled with shroud lines attached for quick use
• Durable Design: Lightweight yet strong construction for repeated launches
• Two-Color Print: Bright, eye-catching design makes spotting rockets easier

The 9 Inch Printed Parachute is a compact, preassembled recovery system designed for smaller model rockets. With its lightweight build and two-color printed design, it ensures reliable and stylish rocket recovery every time.

Perfect for rockets where space is limited, this parachute comes ready to use right out of the package. Just attach the shroud lines to your rocket’s nose cone and you’re set for safe, gentle landings.

• Preassembled: No setup required, ready to attach and fly.
• Compact Size: Ideal for rockets needing a smaller parachute option.
• Two-Color Design: Stylish printed pattern makes recovery easy to spot.
• Durable Construction: Lightweight yet strong for repeated flights.

Engineered for clean, dependable staging, the Estes A10-0T is a 13 mm booster engine made to work with compatible mini engines. With a total impulse of 2.50 N-sec and a short, snappy 0.80 second burn, this booster gives lightweight rockets a confident push off the pad while keeping flight behavior predictable and repeatable. Its compact size and low mass make it ideal for small two stage rockets and projects where precise, gentle staging matters.

What makes the A10-0T stand out is consistency. These motors are manufactured to tight tolerances so each flight feels familiar, which helps you learn faster and tune builds with confidence. The thrust profile gives a quick, reliable boost that separates stages cleanly without overstressing small airframes. That predictable performance also makes the A10-0T a great choice for hobbyists who like experimenting with staged designs and for families who want exciting flights without complicated setups.

Each package contains four A10-0T booster engines plus four starters and four reusable starter plugs so you have everything needed to get back to flying quickly. The compact 13 mm diameter and low weight let you use the A10-0T in a wide range of mini staged kits and custom builds. Whether you are refining a competition design or teaching kids the basics of staging, these engines give you a simple, ready to fly option.

Ready to add clean, reliable staging to your flights? Grab a pack of Estes A10-0T boosters and pair them with compatible 13 mm mini engines for spirited two stage flights. Always follow the included safety and launching instructions and fly at a certified launch site or with a club when possible.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes A10-3T Engines are high-thrust mini engines built for exciting launches with lightweight model rockets. Designed as single-stage engines, they deliver quick and powerful liftoffs, making them a favorite for hobbyists who crave fast acceleration and short coast times. With a 3-second delay, these engines are great for rockets that are small, nimble, and engineered for quick altitude gains before deploying recovery systems.

Known for their punchy performance in compact builds, the A10-3T offers a perfect blend of speed, simplicity, and fun. Its 13.00 Newton max thrust provides plenty of power for light rockets, while the 0.80-second thrust duration keeps flights brisk and exhilarating. Whether you’re running test flights, experimenting with new designs, or just enjoying weekend launches, these engines provide reliable, consistent results that keep the countdowns coming.

The A10-3T’s compact size and mini engine classification make it compatible with a wide range of Estes mini rockets and launch gear. If you're looking for dependable propulsion in a small package, this engine delivers a high-performance experience without the bulk. It's a great option for younger fliers, new hobbyists, or seasoned rocketeers who enjoy tight, fast flights.

Each package includes 4 A10-3T engines, 4 starters, and 4 starter plugs—everything needed to get airborne fast. Pair with recovery wadding and a mini launch pad to complete your setup and send your rocket skyward with confidence.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes A3-2T mini engine delivers a neat balance of gentle power and a short, dependable delay. This 13mm motor produces a crisp boost that carries very light rockets to their peak quickly, then times a 2 second coast for a clean transition to recovery. It is ideal for models that weigh up to the mini engine limits and for flyers who want satisfying altitude without complex setup.

What makes the A3-2T stand out is its consistency and user friendly performance. Expect reliable starts, predictable thrust duration, and repeatable delays so you can focus on building, flying, and enjoying recovery. These engines are made to the same quality standards Estes flyers count on, so you get dependable results whether you are teaching a newcomer or polishing a weekend launch routine.

The A3-2T works with a wide range of our mini kits including Star Hopper, The Gnome, The Firestreak, Gryphon, Mini Honest John and many others. Its modest impulse and 2 second delay are best for rockets and small payloads that benefit from a short coast before descent. Consult your rocket kit flight data to match the engine to the model for the safest, highest performing flights.

Each pack contains four A3-2T engines along with starters and mini starter plugs so you have what you need for multiple flights. Always follow the included safety instructions and local launch site rules. Ready to add consistent, fun flights to your next launch day? Pick up a pack and get airborne.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes A3-4T Flight Pack delivers a balanced combination of performance and control, making it an excellent option for lightweight model rockets. With a total impulse of 2.50 N-sec and a 4-second delay, the A3-4T is ideal for small, streamlined rockets needing a gentle but reliable boost. Its short thrust duration of 0.6 seconds provides a quick lift-off while leaving plenty of time for a safe recovery sequence.

This engine can lift rockets weighing up to 2.0 oz (57 g), making it best suited for mini engine-powered models with 13mm engine mounts. It reaches impressive speeds and altitudes with a max thrust of 6.8 newtons, delivering a strong initial push before handing off to recovery deployment. The 4-second time delay offers sufficient coasting time for many light rockets before the ejection charge fires.

The compact design—just 1.8 inches in length and weighing only 0.28 oz—ensures a perfect fit in small model rockets where space and mass efficiency are critical. Despite its small size, the A3-4T engine packs a dependable performance punch, thanks to Estes’ precise engineering and safety-tested reliability.

Each A3-4T Flight Pack comes complete with four A3-4T engines, four starters, four starter plugs, and twelve sheets of recovery wadding. It’s everything you need to keep your low-weight rockets flying smoothly and safely time after time.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

The Estes A3-4T engine is a single-stage mini model rocket engine built for lightweight rockets and designed to deliver consistent, reliable performance. With a total impulse of 2.50 N-sec and a peak thrust of 6.80 newtons (1.5 lbs), this 13 mm diameter engine provides a solid boost for rockets weighing up to 2.0 ounces (57 g). Its 4-second delay allows for a steady coast before the ejection charge activates—helping ensure a controlled flight and dependable recovery system deployment.

With a thrust duration of 0.60 seconds, the A3-4T delivers a quick, moderate-power lift-off that’s ideal for rockets requiring a longer delay before ejection. Whether you're launching a favorite kit or testing a new build, the A3-4T supplies reliable thrust and timing that supports a predictable flight path—perfect for hobbyists looking for dependable performance from a mini engine.

Each engine pack includes four A3-4T engines, four starters, and four starter plugs—everything you need for multiple launches. The included starters and plugs ensure reliable ignition with every flight, eliminating the need to purchase ignition components separately and making launch preparation simple and efficient.

Known for its consistent performance and Estes’ trusted manufacturing quality, the A3-4T is a dependable choice for model rocketeers flying lightweight rockets. Its proven design, balanced thrust, and predictable delay make it a go-to engine for reliable single-stage flights.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

Tracking your model rocket during flight can be frustrating, especially when recovery happens suddenly or unpredictably. This uncertainty disrupts the excitement of launching, often leading to lost rockets and wasted time. Whether you're a beginner struggling with timing or a seasoned hobbyist craving precision, inconsistent engine performance can spoil your entire launch experience. These challenges impact your ability to enjoy and improve your rocket flying skills. Missing key moments in flight due to poor visibility or unexpected recovery timing makes retrieval difficult and hinders your progress. It can also create stress during group launches, as unpredictability affects planning and the overall fun of the hobby. The solution lies in an engine designed for consistent, precise performance that transforms every flight. - Delivers a short, energetic boost followed by a six-second delay, allowing your rocket to reach peak altitude and pause before activating the recovery system. - Manufactured and tested for repeatable thrust curves and reliable delay times, ensuring fewer surprises on launch day. - Provides a crisp ignition, confident boost, and gentle coast, making flights easier to track from the ground and enabling a calm, controlled recovery. Countless flyers have praised this engine for its dependable performance, establishing it as a trusted choice at neighborhood launches and club meetups alike. Its steady thrust assists beginners in mastering recovery timing while giving veterans the reliability necessary for detailed flight planning. Don’t settle for uncertain launches—choose this engine for predictable, exciting flights that are simple to follow and recover. Add these dependable mini motors to your launch bag today and enjoy better sight lines, calmer recoveries, and more confident launches every time.