Estes B4-2 Bagged Rocket Engines (3) Crawler Motor Standing over 45 inches tall

Standing over 45 inches tall

Each package includes 2 engines

4GHz with TSM

5mm Female Motor Connectors

This ultimate trail truck gives you the perfect balance of style and performance

Estes B4-2 Bagged Rocket Engines (3) Crawler Motor Standing over 45 inches tallRocket 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