Estes Rockets . EST A3-4T Model Rocket Engines (4)

This is the A3-4T Mini Model Rocket Engines/Motors from Estes. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
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FEATURES: Single stage engine Mini engine designed for flights in lightweight rockets Engines tested and certified by the NAR Easy to use and comes with clear instructions INCLUDES: Four A3-4T Engines Four Igniters Four Igniter Plugs REQUIRES: Model rocket Adult Supervision for Children Under 12 SPECS: Length: 1.75" (4.4cm) Diameter: .5" (13mm)
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