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Demonstrates Newton's Law of Conservation of Energy as clearly as is possible. Simply release any number of balls on one side, and the same number will rise from the other. with it's nicely constructed wooden frame, this would be a wonderful gift for a teacher or a great desk top toy for any business person. The original American-made version of Newton's Cradle. Demonstrates Newton's third law of motion: All forces are equal in magnitude and opposite in direction.

Swinging Wonder Physics Toy Newton's Cradle

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