Estes model rocket engine bulk packs are available in four total impulse ranges: 1/2A (mini engine), A, B or C (standard engines). These packs may be used for the rocket bulk packs or other Estes rockets. Whether you are launching rockets at school with students, at a youth group activity or rocket club monthly launch, Estes engine bulk packs are a must.
Engine bulk packs come with all the rocket engine supplies you need to launch 24 rockets. Included are 24 model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.
ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.
ATTENTION: Estes products may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm