Description: A fantastically relaxing object to have ticking and clicking away at your fingers as you are working, play or rest. Sit back and watch the soothing motion of the steel balls swinging back and forth, listen to the gentle click as each balls tap each other. No matter how stressed out you are, Newton Balls will have you relaxed in minutes. Creative ornaments for home office desk table top decoration. A classic fun gadget desk toy for everyone! Material: plastic base and steel balls Size(L*W*H): approx. 16*8.5*12cm Color: purple Newton's cradle, named after Isaac Newton, is a device that demonstrates conservation of momentum and energy via a series of swinging spheres. When one on the end is lifted and released, the resulting force travels through the line and pushes the last one upward. The device is also known as an executive ball clicker, Newton's balls, or Newton's pendulum. Package Includes: A Newton Billiard Note: Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size
