ESTES ENGINE A3-4T Mini (4)

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Item Number: EST1507This is the A3-4T Mini Model Rocket Engines/Motors from Estes.Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.FEATURESSingle stage engine Mini engine designed for flights in lightweight rocketsEngines tested and certified by the NAREasy to use and comes with clear instructionsINCLUDESFour A3-4T EnginesFour IgnitersFour Igniter PlugsREQUIREMENTSModel rocketAdult Supervision for Children Under 12SPECIFICATIONSLength: 1.75" (4.4cm)Diameter: .5" (13mm) Show more