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1/2A3-4T Mini Engine (4) HAZ

SKU: EST1504
1/2A3-4T Mini Engine (4) by Estes Go big while going small with these 1/2A3-4T Mini Model Rocket Engines/Motors from Estes. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. Product Item #: EST1504


4 - A10-3T Engines 4 - Starters 4 - Starter Plugs
This item is an ORM-D / Limited regulated product and can only be shipped by ground.  Please allow additional time for delivery.


  • 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


Four 1/2A3-4T Engines Four Igniters Four Igniter Plugs


Model rocket Adult Supervision for Children Under 12


Length: 1.75" (4.4cm) Diameter: .5" (13mm)


WARNING: Flammable. Read instructions before use Do not burn, soak in water to destroy Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions Estes products may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm