Build a Rolling Boomerang and Discover How it Moves
Did you know that the wheel conserves energy by converting potential energy into motion? Discover the secret to the wheel’s motion with this Koontz wheel kit. This 15 piece kit assembles easily without tools. Simple step-by-step instructions and activity book included. Part of the Koontz series of assembly kits for kids. Assembled model is made of recycled cardboard and measures 9" x 13".
For ages 8+.