- Shows the theory of conservation of energy
- Cool colorful version!
- LED-lit balls in 5 morphing colors
- Takes 6 AA batteries (not included)
The Newton’s Cradle is the most eye-opening, exciting way to understand his theory of the conservation of energy.
This colorful version, with LED-lit balls flashing in five ever-changing colors each time they meet, is simply amazing. Takes 6 AA batteries, not included.
Ages 8 and up.
Size: Approx. 8"L x 7"W x 6"HRead More