Estes Model Rocket B4-4 Engine

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.

ROCKET MOTORS SHIP VIA USPS PARCEL POST ONLY!