The Newton’s Cradle has traditionally been the most eye-opening 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.
• Shows the theory of conservation of energy
• Cool colorful version of this game
• LED-lit balls in 5 morphing colors
• Takes 6 AA batteries (not included)
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