PO Box 1523, St. Charles Mo. 63302 | Toll Free: 1-800-842-7859 | FAX: 1-800-466-4354
  FREE SHIPPING - Applies to online orders over $100.00 in the lower 48 states (Purchase Orders Excluded).

The B6-4 is a medium impulse engine that delivers high altitude flights. It works great for launching larger, heavier rockets, too. Estes engine bulk packs are convenient and include everything your students need to prepare their rockets for launching.

 SHIPPING INFORMATION: 
Rocket Engines will be shipped ground UPS  2 - 5 day service at no extra charge.

Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket engines, starters and recovery wadding are required - sold separately-unless otherwise specified.




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Estes 1783 - B6-4 Bulk Model Rocket Engines (24)

  • $89.99


Add to Cart to see COST!

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Tags: estes model rocket engines, B6-4, 1783