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Dashing Mini Newtons Cradle 3” By 3.5”
Dashing fine gifts Newton's Cradle, the clacking of the steel balls will keep you entertained throughout the day. Pull back one or more of the balls, release them and the same number of balls will swing up on the opposite side. The balls will click back and forth until they stop... a soothing experience you'll enjoy. This miniature set of balance balls is fun for the office and makes a great desktop gift. |