product description:
Newton s Cradle is a classic desk toy. Also known as "Balance Balls", "Newton s Pendulum", "Kinetic Balls" and "Newton s Balls", this executive office toy demonstrates the law of conservation of momentum.
The motion of this 5-ball cradle is the most addicting way to demonstrate Newton s law of conservation of momentum and energy.
As it works its physics magic, the lights change between blue and red and there are 3 different light modes. You can choose whether you want the lights to flash, fade or begin a cycle.
Light Source: LED
Size: 20cm*15cm*18cm
Material: Plastic+ Frosted Glass
Batteries: 6 X 1.5V AA alkaline batteries (not included)
Package Included: 1 x Kinetic Light
Newton s Cradle Balance Ball (Battery is not included)
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