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United Model

A8-3, B4-4, C6-5 Mini Bulk Pack - Includes a Total of 9 Engines

    • Based on 14 reviews
Condition: New
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$40.99 Why this price?

Buy Now, Pay Later

As low as $10 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

Eligible for Return, Refund or Replacement within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Atharva Brands
Arrives Dec 4 – Dec 5
Order within 18 hours and 43 minutes
Available payment plans shown during checkout

Features

  • All the engines you need for low, medium, and high altitude model rocket flights!
  • The A8-3 is used for first flights and small flying fields as you get used to how your rocket will perform and where it will land in your flying field
  • The B4-4's will almost double your altitude compared to the A8-3
  • The C6-5's will provide almost double the altitude that the B4-4's can provide

Manufacturer recommended age: 16 years and up


Manufacturer: United Model


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Dec 4 – Dec 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Estes rocket motors
Correct&fast shipping on order, highly recommended....
Reviewed in the United States on April 7, 2024 by John D.Kirby
    • Worked great
Product was great
Reviewed in the United States on March 14, 2024 by Jared Webb
    • Good assortment / gradation
Just getting a grandchild started in model rocketry, and good to have a variation of engines to progressively increase power as she learns how much wind drift will affect landing zone. On the other hand, I've learned I can find much better deals elsewhere.
Reviewed in the United States on May 11, 2024 by Web Puddin
    • They work
The rocket took off! They work
Reviewed in the United States on September 21, 2023 by Christine

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