LanttAotte Desk Ball Newtons Cradle Metal Pendulum Steel Balance Ball for Physics Science Educationa
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The balance balls continue in perpetual motion for only 15-25 seconds due to the resistance of the air and friction
Descrição do Produto
- The balance balls continue in perpetual motion for only 15-25 seconds due to the resistance of the air and friction
- Ideal for experience the fun of mechanics in the process of playing this fun gadget
- Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm stat
- This exquisite decoration that can be a ideal birthday & holiday gift or placed in house, restaurant, bedroom, cafe or office etc
- This newton's cradle is made of high-quality electroplated steel ball and plastic base
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