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Newton s Perpetual Motion Balance Pendulum Cr...

Features: It is a very funny decompression toy that a ball can be used to hit ... Features: It is a very funny decompression toy that a ball can be used to hit other balls and swing. Not only demonstrates a pendulum but also shows the Laws about conservation of Momentum and Energy. Made of steel material bright preservative and not... more

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as low as $8.68 $7.69

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-14%

Newton pendulum ball permanent motion balance...

Specification: Condiiton: Color: Sliver Material: ABS + Steel Ball Diameter: 1... Specification: Condiiton: Color: Sliver Material: ABS + Steel Ball Diameter: 1cm / 0.39 (appr.) Ball quantity: 5 Small Balls Packing: Carton Size: (L) x (W) x(H) 8.5 x 7 x 9cm / 3.35 x 2.76 x 3.54 (appr.) Package Included: 1 x Balance Balls Toy Notice:... more

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as low as $9.11 $7.81

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Newton s Perpetual Motion Balance Pendulum Cr...

Features: It is a very funny decompression toy that a ball can be used to hit ... Features: It is a very funny decompression toy that a ball can be used to hit other balls and swing. Not only demonstrates a pendulum but also shows the Laws about conservation of Momentum and Energy. Made of steel material bright preservative and not... more

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as low as $7.67

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