B6-4 Model Rocket Engine S.T.E.M. Engaging play and learning are

Engaging play and learning are integral themes in all BRIO® toys

children can build and experiment with models helping to develop fine motor

Shutter x4

unplug and let your imagination soar

Duncan Sky Spinner is a ground breaking

B6-4 Model Rocket Engine S.T.E.M. Engaging play and learning areThis is the B6 4 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 B6 4 Engines Three Igniters Four Igniter Plugs REQUIRES: Model rocket Adult Supervision