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Newton"s Cradle Balance Ball Desk Toy
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Item: Pendulum Balls For Desk
Features:
Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
Includes steel balls, plastic frames, and base.
Often used as a toy.
Easy to install and uninstall.
High-class material and has a very good appearance.
Specification：
Shape: Geometric
Material: Metal, ABS
Package Contents:
1 x pendulum ball
Customer Reviews
Looks awesome! Exactly as described
Newton"s Cradle Balance Ball Desk Toy
Satisfied although the size is smaller but not bad, the new mailer works not involved
For such value quality is normal. But it will fade very quickly. In more expensive models should be batteries, which together with a magnet create a magnetic field that allows you to knock balls for half an hour or more. There's nothing here. The balls themselves are a little magnetic. Will fade seconds after 20-25
Thank you, son liked it.
