Product Description
FEATURES: Single stage engine Standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine Engines tested and certified by the NAR Easy to use and comes with clear instructions
INCLUDES: Three B4-4 Engines Three Igniters Four Igniter Plugs
REQUIRES: Model rocket Adult Supervision for Children Under 12
SPECS: Length: 2.75" (7cm) Diameter: .69" (18mm)
