1601 B4-2 Standard Engine (3) HAZ Construction Toys building cognitive and motor skills

building cognitive and motor skills and laying the groundwork for learning to tell time

Every group of friends has one

69" (43mm) Height: 1

Grab a Froggy net and get hoppin'

1601 B4-2 Standard Engine (3) HAZ Construction Toys building cognitive and motor skillsThis 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