Estes B4-4 - 2 Packs of 3 for 6 Engines/Motors with Starters

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Estes B4-4 - 2 Packs of 3 for 6 Engines/Motors with Features

• This bundle provides 6 of the Estes B4-4 model rocket engines - enough for a total of 6 launches!

• Includes the necessary starters and starter plugs (recovery wadding is not included)

• The B4-4 is a standard size (18mm Diameter) engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. NOTE: Please verify that these engines are compatible with your model rocket before purchasing.

• PLEASE NOTE: This item will ship by US Postal Service (USPS) ground transportation only

• You MUST HAVE a physical mailbox or Post Office box for delivery

About Estes B4-4 - 2 Packs Of 3 For 6 Engines/Motors With

This bundle provides 6 of the Estes B4-4 model rocket engines - enough for a total of 6 launches! Includes the necessary starters and starter plugs (recovery wadding is not included). TThe B4-4 is a standard size (18mm Diameter) engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. NOTE: Please verify that these engines are compatible with your model rocket before purchasing. NOTE: THIS ITEM WILL BE SHIPPED VIA USPS (United States Postal Service). You MUST HAVE a physical mailbox or Post Office box for delivery. Engine Specifications: Length: 2.8 in. (7 cm) Diameter: 18 mm Estimated Weight: 0.68 oz. (19.3 g)