The Estes 1623 C11-5 model rocket engine is a single engine for use in Estes model rockets only. Engine is size C rocket engine for use with model rockets that weigh less than 5 ounces, including the engine. Each package of rocket engines includes 3 engines, 3 igniters and 4 igniter plugs.
ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions on model rockets.
ATTENTION: Estes products may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm