Estes 1/2A3-4T Bagged Rocket Engines (4) 3500Kv Telescoping bits provide easy access

Telescoping bits provide easy access to virtually any screw

this ReadySet captures the essence of high-speed racing in a compact

Charges Dual 2s

5 mm thick steel frame rails increase torsional rigidity

Estes 1/2A3-4T Bagged Rocket Engines (4) 3500Kv Telescoping bits provide easy accessRocket Engine Overview: The Estes 1 2A3 4T 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 1 2A3 4T Rocket Engines Convenient Bundle for High Flying Fun Each pack includes enough supplies for