Estes Rockets - B4-4 Model Rocket Engines (3pk) - 10019
Estes Rockets
$12.99
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Estes Rockets
Estes Rockets - B4-4 Model Rocket Engines (3pk) - 10019
The Estes B4-4 is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each package includes 3 engines, 4 starters, and 4 plugs.
