Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

1/2 A3-4T Engine Bulk Pack

Perfect for launching mini-engine rockets.

Manufacturer:  Estes Industries 1788

Catalog No. S67622

This item has been discontinued and is no longer available. Please call customer service for assistance: 1-800-766-7000.

  • 24 rocket engines
  • 30 model rocket igniters
  • 24 reusable igniter plugs
  • 75 squares of recovery wadding, 4.5 × 4.5 in. (11.4 × 11.4cm)
  • Enough supplies for approximately 25 launches
This item is not returnable. View return policy





For launching mini-engine rockets
Engines 1/2 A3-4T
24-1/2A3-4T model rocket engines, 30-model rocket igniter, 24-reusable igniter plugs and 75 squares of recovery wadding
Model, Engine, Bulk Pack
Product Certifications


Provide Content Correction

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit