B4-4 Model Rocket Engines

B4-4 Model Rocket EnginesThis is a pack of three B4 4 Standard Model Rocket Engines Motors from Estes. Product is recommended for adult use only. FEATURES: B class model rocket engine pack contains igniters and plugs. Single stage rocket pack. Easy to use and comes with clear instructions. Available in blister pack. Sturdy engines tested by the National Association of Rocketry. INCLUDES: One Package of Three B4 4 Model Rocket Engines REQUIRES: B Rocket Model Equipment for use

This is a pack of three B4-4 Standard Model Rocket Engines/Motors from Estes. Product is recommended for adult use only. FEATURES: B class model rocket engine pack contains igniters and plugs. Single stage rocket pack. Easy to use and comes with clear instructions. Available in blister pack. Sturdy engines tested by the National Association of Rocketry. INCLUDES: One Package of Three B4-4 Model Rocket Engines REQUIRES: B Rocket Model Equipment for use SPECS: Length: 2-3/4" (7cm) Diameter: 3/4" (1.7cm) COMMENTS: WARNING: Product is flammable. Use caution. Must be 14 to purchase 1/4 A-D engines in CA or 1/4 A-C engines in New Jersey. Must be 18 to purchase larger engines in CA and NJ. See back of packaging for sales specifications in various regions. Do not burn engines or soak in water. Estes engines are for use only with Estes model rocket products.