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Estes Rocket Engines B4-4 (3 pk)  (EST1602-S8)

Includes 3 - B4-4 Engines, 3 - Starters, 4 - Starter Plugs. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Single stage engine.

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&nbsp;<img src="https://cdn.shopify.com/s/files/1/0249/8111/0863/files/estes_logo_480x480.jpg?v=1618415055" alt="" data-mce-fragment="1" data-mce-src="https://cdn.shopify.com/s/files/1/0249/8111/0863/files/estes_logo_480x480.jpg?v=1618415055" data-mce-selected="1">&nbsp;ENGINES FOR MODEL ROCKETS<ul><li>3 - B4-4 Engines</li><li>4 - Starters</li><li>4 - Starter Plugs</li></ul>DESCRIPTIONThe Estes B6-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.<h1 style="text-align: center;"> </h1>

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[This review was collected as part of a promotion.] I had a little boy eager to use his Christmas gift. We needed these and they arrived quickly.

Just what we needed

walmart.com

[This review was collected as part of a promotion.] We are happy with the rocket engines. There were no "duds" and fit the rockets. We would order again.

Would order again.

[This review was collected as part of a promotion.] Love these for our rocket. Kid friendly

Easy to use

[This review was collected as part of a promotion.]