Principle: Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
Material: Balance Balls Desk Toy * 1, Stainless steel frame and balls, Nylon thread
Attention: Friction and damping effects are inevitable
- MATERIAL—Durable WOOD base, nylon strings, metal balls, stainless steel frame
- SWING TIME—The balls continue in perpetual motion FOR ONLY 15-25 SECONDS due to the resistance of the air and friction
- APPLICABILITY —You can put it on your office desk or your home desk or on your shelf. It will be cool desk toy
5.3 x 4.5 x 5.3 inches
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