Best Rocket Engine For 2024

This bundle provides 6 of the Estes B4-4 model rocket engines - enough for a total of 6 launches!

Includes the necessary starters and starter plugs (recovery wadding is not included)

The B4-4 is a standard size (18mm Diameter) engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. NOTE: Please verify that these engines are compatible with your model rocket before purchasing.

PLEASE NOTE: This item will ship by US Postal Service (USPS) ground transportation only

You MUST HAVE a physical mailbox or Post Office box for delivery

Includes 24 rocket engines (12 B6-0 and 12 B6-6), 30 model rocket starters, 24 reusable starter plugs, and 75 squares of recovery wadding

This two engine combo pack is to be used with two stage rockets. The B6-0 is a booster engine that has no delay or ejection charge. The B6-6 is the upper stage engine.

Each engine measures 2.80" (7.1cm) long and has a 0.69" (18mm) diameter

PLEASE NOTE: This item will ship by US Postal Service only

You MUST HAVE a physical mailbox or Post Office box for delivery

Includes 24 rocket engines, 30 model rocket starters, 24 reusable starter plugs and 75 squares of recovery wadding

The C6-5 is a standard engine designed for rockets weighing less than 4 oz. and offers more power than both the A3-8 and the B6-4

Each engine measures 2.75" (7.0cm) long and has a 0.69" (18mm) diameter

PLEASE NOTE: This item will ship by US Postal Service only

You MUST HAVE a physical mailbox or Post Office box for delivery

There’s no thrill quite like launching a model rocket, watching it streak skyward, reach peak altitude, and then return gently to earth. When you build them, the thrill is even better than ever. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space.

Flame resistant recovery wadding protects the recovery system.

Necessary to launch model rockets.

You get 3 packs of engines for a total of 9 rocket motors

All the engines you need for low, medium, and high altitude model rocket flights

The best way to get engines in bulk without having to buy 24 of them.

Estes engines are the model rocket industry standard

All the engines you need for low altitude model rocket flights - perfect for small fields!

The best way to get engines in bulk without having to buy 24 of them.

Estes engines are the model rocket industry standard

This set of engines is for rockets that are roughly 10 to 18 inches tall and weighing between 0.8 and 2 ounces

All the engines you need for medium altitude model rocket flights

The best way to get B4-4 engines in bulk

Estes engines are the model rocket industry standard

Launch your own Mars colonization mission – This set comes with all the parts and tools you need to build the rocket and launch it too!

Goes together quickly – no cutting, sanding, or painting required!

Recommended Engines: C6-3, C6-5

Recovery System: 18 in. (45.7 cm) Parachute

Projected Max Altitude: 250 ft. (76 m)

There’s no thrill quite like launching a model rocket, watching it streak skyward, reach peak altitude, and then return gently to earth. When you build them, the thrill is even better than ever. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space.

SKILL LEVEL: The Amazon is an easy-to-assemble, Beginner level rocket with pre-colored parts. The Crossfire ISX is an Intermediate level rocket which will help a budding rocketeer develop some basic model building and finishing skills.

RECOMMENDED ENGINES: Amazon : B4-2, B4-4, B6-2, B6-4, C5-3, C6-3, C6-5 ; Crossfire ISX : A8-3, B4-4, B6-4, C6-5, C6-7

PROJECTED ALTITUDE: Amazon : 600 ft. (183 m) on a C6-5 ; Crossfire ISX : 1150 ft. (351 m) on a C6-7

ESTIMATED ASSEMBLY TIME: 1 Hour (painting and glue drying time not included)

There’s no thrill quite like launching a model rocket, watching it streak skyward, reach peak altitude, and then return gently to earth. When you build them, the thrill is even better than ever. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space.

SKILL LEVEL: The Taser is an easy-to-assemble, Beginner level rocket with pre-colored parts.

RECOMMENDED ENGINES: A8-3, B4-4, B6-4, B6-6, C6-5, C6-7

PROJECTED ALTITUDE: 1100 ft. (335 m) on a C6-7

ESTIMATED ASSEMBLY TIME: 1 Hour (painting and glue drying time not included)

Ready to fly in minutes

Custom 3 Fin design

E2X Skill Level

Flies up to 1000 '

Launch System Included

Get to the flying field quick with these mini engine powered rockets! 3 complete rockets, one great price!

SKILL LEVEL: The 3 Bandits is an easy-to-assemble, Beginner level rocket with pre-colored parts.

RECOMMENDED ENGINES: 1/2A3-4T, A3-4T, A10-3T

PROJECTED ALTITUDE: 550 ft. (168 m) on a A10-3T

ESTIMATED ASSEMBLY TIME: 2 Hours (painting and glue drying time not included)

This bundle provides 6 of the Estes D12-5 model rocket engines

Engine Diameter: 24mm (Please verify that these engines are compatible with your model rocket before purchasing)

The D12-5 is designed for rockets with a maximum lift weight of less than 10 ounces

PLEASE NOTE: This item will ship by US Postal Service (USPS) ground transportation only

You MUST HAVE a physical mailbox or Post Office box for delivery