Estes B4-2 Bagged Rocket Engines (3) Crawler Motor 5mm Female Motor Connectors

5mm Female Motor Connectors

Standing over 45 inches tall

Each package includes 2 engines

this steel spur gear allows you to fine-tune your Sledge's performance

but we can not guarantee the outcome

Estes B4-2 Bagged Rocket Engines (3) Crawler Motor 5mm Female Motor ConnectorsRocket Engine Overview: The Estes B4 2 Bagged Rocket Engines Flight Pack is an all in one pack designed to give you everything you need for three exciting rocket launches. Perfect for single stage rockets weighing up to four ounces, this trusted engine delivers consistent thrust with a five second delay for safe parachute deployment. About the B4 2 Rocket Engines Convenient Bundle for High Flying Fun Each pack includes enough supplies for three full