THY COLLECTIBLESUnique Z-Shape Newtons Cradle Balance Balls with Mirror 7 inch Desk Top Decoration Kinetic Motion Toy for Home and Office
产品编号: 80099482
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描述
- These little steel balls will keep you entertained all day
- The back and forth motion is a soothing experience you'll enjoy day after day, learn about the conservation of momentum and energy
- Desktop display version of Newton's cradle performing based on Newton's Law
- Balls are made of metal. Wooden Base. Size Approx: L7" x H7.2" x D4.5"
- Conservation of Momentum and Kinetic Energy
THY COLLECTIBLESUnique Z-Shape Newtons Cradle Balance Balls with Mirror 7 inch Desk Top Decoration Kinetic Motion Toy for Home and Office
评论
D**0
Okay product
My kids love it but it doesn’t last as long as others and one of the balls snapped off after they accidentally got it tangled(which is surprisingly easy to do)
H**R
Waste of money
This Newton's cradle only bounces back and forth 5 times. My daughter and I were quite disappointed. Just feeling the balls weight you can tell that they are hollow. Only solid balls on longer strings will give the 30 seconds of action time that a Newtons Cradle should provide.
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