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IUUWTMV Newton's Cradle Balance Ball with Mirror Metal Pendulum Balls Physics Science Ornaments Adult Child Toys for Desk Home Decoration
Description - Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. - Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. - Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics. - Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. - Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy. Specification Condition 100% brand new

Price is $14.00

Price: $13.99