The Estes 1502 Build Model Rocket Engine (1/4A3-3T) is a single stage engine for Estes model rockets. Mini size engine (1.75" long x .50" diameter) are for use with lightweight rockets. Each package includes 4 engines, 4 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.