1606 B6-4 Standard Engine (3) HAZ
This is the B6-4 Standard Model Rocket Engines/Motors from Estes.
Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
If out See 7963-1 B6-4 Engine Flight Pack with Wadding one Pack HAZ
FEATURES: Single stage engine Standard engine designed for flights in rockets weighing less than 4 ounces, including the engine Engines tested and certified by the NAR Easy to use and comes with clear instructions
INCLUDES: Three B6-4 Engines Three Igniters Four Igniter Plugs
REQUIRES: Model rocket Adult Supervision for Children Under 12
SPECS: Length: 2.75" (7cm) Diameter: .69" (18mm)