Estes Rockets 1/2A3-4T Engines model rocket motors bulk retail packaging

Estes Rockets 1/2A3-4T Bulk 24pk Engines

  • $56.95
Free Shipping on Orders of $135 or more!


  • Launch your next model rocket on Estes Rockets 1/2A3-4T Engine
  • Each bulk pack includes;
    • 24 1/2A3-4T Engines
    • 24 Igniter Plugs
    • 30 Igniters
    • 75 Squares of Recovery Wadding
  • Total impulse: 1.25 N-sec
  • Max thrust: 8.3 Newtons
  • Can only be shipped via USPS Parcel Select Ground. No international shipping is allowed.

Blast off with Estes Rockets 1/2A3-4T Engine bulk pack. The package includes 24 engines, 30 igniters, 24 igniter plugs and 75 squares of wadding. These engines are ideal for group or student flight days. Remember, these engines only ship USPS Parcel Select Ground. 

Products Containing Crystalline Silica | CA Prop 65
Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times. 

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