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Estes 1504 - 1/2A3-4T Model Rocket Engines (4)

The Estes 1/2A3-4T engine is single stage engine designed for model rocket flight. This engine is a ..

$11.29

Add to Cart to see COST!

Estes 1788 - 1/2A3-4T Bulk Model Rocket Engines (24)

Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Incl..

$69.99

Add to Cart to see COST!

Estes 1507 - A3-4T Model Rocket Engines (4)

The Estes A3-4T engine is single stage engine designed for model rocket flight. This engine is a min..

$11.29

Add to Cart to see COST!

Quest 6108 - A3-4FJ Q-Jet - 18MM Black Maxx Composite Model Rocket Motors (2)

Quest Q-Jets are the world's most advanced 18mm model rocket motors. Q-Jet high performance, compo..

$6.99 $9.99

Estes 1788 - 1/2A3-4T Bulk Model Rocket Engines (24)

Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Incl..

$69.99

Add to Cart to see COST!

Quest 6304 - A3-4FJ (12pk) Q-Jet 18MM Black Maxx Composite Rocket Motors

This 12 pack of A3-4FJ Black Maxx Rocket motors is perfect for small groups and family rocket outing..

$32.20 $46.00

Quest 6312 A - D Multi Motor (12pk) Q-Jet 18MM Black Maxx Composite Rocket Motors

This 12 pack Multi Motor variety pack of  Black Maxx Rocket motors comes with 3 ea of A3-4FJ, B..

$40.60 $58.00

Quest 6404 - A3-4FJ (25pk) Q-Jet 18MM Black Maxx Composite Rocket Motors

This 25 pack of A3-4FJ Black Maxx Rocket motors is perfect for small groups and family rocket outing..

$63.70 $91.00