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Estes 1/2A3-4T Engine Bulk Pack - STEMfinity
Estes 1/2A3-4T Engine Bulk Pack - STEMfinity
Estes 1/2A3-4T Engine Bulk Pack - STEMfinity
  • SKU: ECC-1788

Estes 1/2A3-4T Engine Bulk Pack


Estes 1/2A3-4T Engine Bulk Pack

This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available.

Engine bulk packs come with all the rocket engine supplies you need to launch 24 rockets. Included are 24 rocket engines, 30 model rocket igniters, 24 reusable igniter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.

Estes model rocket engine bulk packs are available in four total impulse ranges: ½A (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.

  • 24 - 1/2A3-4T model rocket engines
  • 30 - model rocket igniters
  • 24 - reusable igniter plugs
  • 75 squares of recovery wadding
  • PLEASE NOTE: All orders with engines will ship via US POSTAL SERVICE only. ‚ You MUST HAVE a physical mailbox or post office box for delivery. ‚ We do not offer expedited shipping. ‚ We ship orders with engines only to the continental United States, Hawaii, and Alaska.‚ 
  • ATTENTION: Additional restrictions may apply, see full product page for details.
  • ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the state specific regulations.
  • ATTENTION: Estes products may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.