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Estes STD Rocket Engines B4-4

Estes STD Rocket Engines B4-4

The Estes B4-4 engine is single stage rocket engine. This engine is a standard engine designed for flights in rockets weighing less than 100g including the engine. Each package includes 3 engines, 3 igniters and 4 igniter plugs.

Includes:

3x B4-4 Engines
3x Igniters
4x Igniter Plugs

$35.50