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1/2A3-4T Rocket Engines 4 pack
4 1/2A3-4T MINI ENGINES FOR MODEL ROCKETS Also included: 4 igniters and 4 plugs
24 Estes 1/2A3-4T Rocket Engines. Bulk Pack
Bulk Pack of 24 Rocket Engines Included: 24 1/2A3-4T Rocket Engines 30 igniters 24 plugs 75 sheets of wadding