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Estes B6-4 Engine Bulk Pack - STEMfinity
Estes B6-4 Engine Bulk Pack - STEMfinity
Estes B6-4 Engine Bulk Pack - STEMfinity
  • SKU: ECC-1783

Estes B6-4 Engine Bulk Pack


Estes B6-4 Engine Bulk Pack

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.

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 B6-4 engine to launch these bulk pack rockets: Generic E2X, Alpha III, Wizard, Viking and Alpha.



  • 24x B6-4 model rocket engines
  • 30x model rocket igniters
  • 24x reusable igniter plugs
  • 75x 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.