Estes Bt/5/bt20/bt50 Engine Mount Parts (27)

This is the Engine Mount Parts from Estes. Suitable for Ages 10 Older with Adult Supervision for Those Under 12. NCLUDES: 3 BT5 body tube (2 inches long) 3 BT5 yellow engine blocks 3 BT5 mylar engine hook retainer rings 3 BT20 body tube (2.75 inches long) 3 BT20 engine blocks 3 BT20 mylar engine hook retainer rings 3 BT50 body tube (4 inches long) 3 BT50 yellow engine blocks 3 BT50 black engine hook retainer rings COMMENTS: Due to small parts that could cause a choking hazard please keep For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities tlc 10/16/15