Description
Sold in Store OnlyEstes B6-0 Standard 18mm Rocket Booster Engines (3-Pack) – Booster engine – no delay or ejection. Estes Standard 18mm Engine 3-Pack. Standard Estes engines fit the standard BT-20 body tube and are 2.75″ (7.0cm) long and 0.69″ (18mm) in diameter.
3 pack includes engines, instructions, igniters, and igniter plugs.
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