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Estes 10021 - B6-4 Model Rocket Engines (3) - NEW BAGGED VERSION

The Estes B6-4 engine is single stage engine designed for model rocket flight. This engine is a stan..

$11.99

Add to Cart to see COST!

Estes 1783 - B6-4 Bulk Model Rocket Engines (24)

The B6-4 is a medium impulse engine that delivers high altitude flights. It works great for launchin..

$89.99

Add to Cart to see COST!

Quest 6123 - B6-4W Q-Jet - 18MM White Lightning Composite Model Rocket Motors (2)

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

$7.69 $10.99

Estes 1783 - B6-4 Bulk Model Rocket Engines (24)

The B6-4 is a medium impulse engine that delivers high altitude flights. It works great for launchin..

$89.99

Add to Cart to see COST!

Quest 6318 - B6-4W (12pk) Q-Jet 18MM White Lightning Composite Rocket Motors

This 12 pack of B6-4W White Lightning Rocket motors is perfect for small groups and family rocket ou..

$34.30 $49.00

Quest 6418 - B6-4W (25pk) Q-Jet 18MM White Lightning Composite Rocket Motors

This 25 pack of B6-4W White Lightning Rocket motors is perfect for small groups and family rocket ou..

$69.30 $99.00