This is the A8-3 Standard Model Rocket Engines/Motors from Estes.
- Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
- Single stage engine
- Standard engine designed for flights in rockets weighing less than 3 ounces, including the engine
- Engines tested and certified by the NAR
- Easy to use and comes with clear instructions
- Three A8-3 Engines
- Three Igniters
- Four Igniter Plugs
- Model rocket
- Adult Supervision for Children Under 12
SPECS: Length: 2.75" (7cm) Diameter: .69" (18mm)