This is the B4-2 Standard Model Rocket Engines/Motors from Estes.
Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
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 B4-2 Engines
Three Igniters
Four Igniter Plugs
REQUIRES:
Model rocket
Adult Supervision for Children Under 12
SPECS:
Length: 2.75" (7cm)
Diameter: .69" (18mm)
DUE TO SHIPPING REGULATIONS, WE DON'T SHIP THIS ITEM INTERNATIONALLY AND ALSO NOT SHIP TO THE FOLLOWING STATES
"CALIFORNIA, NEW JERSEY, RHODE ISLAND & NORTH DAKOTA"