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ENGINES FOR MODEL ROCKETS
3 – B6-4 Engines
4 – Starters
4 – Starter Plugs
PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.
The Estes B6-4 Rocket Engine 3-Pack is a medium engine pack that delivers high altitude flights. As a standard 18mm single-stage engine, this is designed for larger, heavier rockets.
Estes 1606 B6-4 Engine Bulk Pack package includes --
B6-4 Rocket Engine 3-Pack is best used in the rocket kits below -
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Estes continues to ignite the imagination of each new generation with industry-leading model rocketry products and education.