This is the A3-4T Mini Model Rocket Engines/Motors from Estes.
- Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
- 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 A3-4T Engines
- Four Igniters
- Four Igniter Plugs
REQUIRES: Model rocket and Adult Supervision for Children Under 12
SPECS: Length: 1.75" (4.4cm) Diameter: .5" (13mm)