Estes B4-4 Medium Bulk Pack - 4 Packs of 3 for 12 Engines/Motors with Starters

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Estes B4-4 Medium Bulk Pack - 4 Packs of 3 for 12 Features

• All the engines you need for medium altitude model rocket flights

• The best way to get B4-4 engines in bulk

• Estes engines are the model rocket industry standard

About Estes B4-4 Medium Bulk Pack - 4 Packs Of 3 For 12

This medium bulk pack provides 12 of the Estes B4-4 model engines which is suitable for use in rockets weighing roughly between 1 and 2 ounces which is typical of most rockets being 1 to 2 feet tall. Estes model rocket engines are the standard in the model rocket industry for easy to use and reliable propulsion for your model rockets.