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- ? Strong Line: Our newton cradle use a high-quality nylon line that is strong enough to not be broken easily.
- ? Black Wooden Base: The hard wooden base can keep the smooth operation of the newton's cradle balance balls.
- ? Swing Time: The balance balls continue in perpetual motion for only 15-25 seconds due to the resistance of the air and friction, but it won't influence the effect of playing although it can not reach the seamless convergence among balls in the vacuum.
- ? More Durable and Rustless: With steel frame and 5pcs high polished smooth steel balance balls, which are more durable and easy to transfer and store more energy when colliding.
- ? Applicating: Apply to psychology, teaching tools, and furnishings. Frequency swing keeps you in a calm state.
- ? Product Dimensions:9 * 7.5 * 9CM, ball diameter 1.0CM. .
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