Newtons Cradle 7 1/4 inch
Newton's Cradle makes a great desktop gift.These swinging balls will keep you occupied for hours at work.Newton's Cradle is a clever device that not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
Newton's Cradle is a timeless, classic desktop science "toy" that is the perfect blend of science and art. Lift one steel ball and allow to fall back at one end, the ball at the opposite end will swing out the same distance.
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