These are not the E22 batch engines! The Estes C11-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine. This engine is for flights in rockets weighing less than 6 ounces, including the engines. Each package includes 2 engines, 2 starters and 4 starter plugs.

SHIPPING INFORMATION:

Rocket Engines will be shipped ground UPS 2 - 5 day service at no extra charge.

Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket engines, starters and recovery wadding are required - sold separately-unless otherwise specified.