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Newton's Cradle Solid Metal Physics Science Ball Balance Swinging Pendulum Magnetic Ball Toy for Home Office Desk Decoration(M)
Pull back one or more balance balls and release them, the same number of balls will swing up on the other side This desktop toy provides you with many entertainments, suitable for various places such as home or office When you are tired of learning and working, you can put it on your desk, a cool and nice desk ornament for office Excellent educational scientific tool not only shows the pendulum, but also shows the law of conservation of momentum and energy Suitable for home decoration, study or office table and chair decoration accessories. Also suitable for birthday gift and children's toy Dimensions 0.39 x 0.39 x 0.39 inches, Weight 7.4 ounces,

Price is $11.00
Price: $10.57