Newton’s Cradle Balance Balls Wooden Base Physics Science Desk Toy $3.01

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Newton’s Cradle Balance Balls is a timeless, classic desktop science “toy” that is the perfect combination of science and art. Draw back one or more of the balls and release, the ball at the opposite end will swing out the same distance. https://www.zapals.com/newton-s-cradle-balance-balls-8305

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