説明
For every action there is an equal and opposite reaction. Named after the famous scientist Sir Isaac Newton. This executive toy perfectly demonstrates conservation of energy and momentum.
Pull back and release one of the balls and let it swing back, creating a force that propagates through the other balls creating a hypnotic motion.
Product Specifications
- Intriguing and hypnotic iconic gadget
- Each ball is attached to opposite sides of the frame by equal length strings
- Creates a hypnotic motion as the ball swing back and forth
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現在、40か国以上に出荷しています
100,000以上の製品
素晴らしいブランド。すべてのギフトの機会。