Estes Rockets - D12-0 Model Rocket Engines, (2pk) Cameras Non Waterproof Includes easy to understand instructions

Includes easy to understand instructions

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Estes Rockets - D12-0 Model Rocket Engines, (2pk) Cameras Non Waterproof Includes easy to understand instructionsThe Estes D12 0 is a booster stage engine designed for model rocket flight, and must be used with a standard engine. This engine is for flights in rockets weighing less than 14 ounces, including the engines. Each package includes 2 engines, 2 starters, and 4 starter plugs.