Newtons Cradle - Regular - 5.5 inches
Demonstrates primarily the laws of conservation of energy and momentum Excellent desk toy Perfect for physics demonstrations Cradle size: 5.50in x 5.50in x 5.75in Black wood base
Newton's cradle or balance balls is one of the oldest, most interesting physics toys that demonstrate the laws of conservation of energy and momentum (and much more). You just raise one or two balls on one end, let them go and watch what happens on the other side. Great for physics demonstrations, as a desk toy/stress reducer, and makes a great gift.
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Golden Island
{"Package Dimensions": "6 x 5.9 x 5 inches", "Item Weight": "1.25 pounds", "Manufacturer": "Golden Island", "Date First Available": "December 9, 2007"}