Estes Rockets . EST 1/4 A3-3T Model Rocket Engines (4)

This is the 1/4A-3T 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 Available in blister pack package INCLUDES: Four 1/4A3-3T 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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