The Estes 1511 A Engine Rocket A10-3T is a single stage A engine rocket for model rocketry. This engine is a mini size engine (1.75" long x .50" diameter) and is for use in lightweight rockets. Each package includes 4 engines, 4 igniters and 4 igniter plugs.
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ATTENTION: Estes products may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.