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Estes B6-4 Standard Rocket Engine
Retail: $13.99
Price: $11.99
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Availability: In Stock
Estes Industries Item #: ESTT1606 -

This is the B6-4 Standard Model Rocket Engines/Motors from Estes.Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.FEATURESSingle stage engineStandard engine designed for flights in rockets weighing lessthan 4 ounces, including the engineEngines tested and certified by the NAREasy to use and comes with clear instructionsINCLUDESThree B6-4 EnginesThree IgnitersFour Igniter PlugsREQUIREMENTSModel rocketAdult Supervision for Children Under 12SPECIFICATIONSLength: 2.75"...

Estes B6-6 Standard Rocket Engine
Retail: $13.99
Price: $11.99
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Availability: In Stock
Estes Industries Item #: EST1607 -

This is the B6-6 Standard Model Rocket Engines/Motors from Estes.Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.FEATURESUpper stage engineEngine can also be used as a single stage engine in lightweightrocketsEngines tested and certified by the NAREasy to use and comes with clear instructionsINCLUDESThree B6-6 EnginesThree IgnitersFour Igniter PlugsREQUIREMENTSModel rocketAdult Supervision for Children Under 12SPECIFICATIONSLength: 2.75" (7cm)Diameter: .69"...