Explore the laws of physics and create mesmerizing patterns with our LED Light Up Pendulum Perpetual Balance Balls. As the balls swing back and forth, they light up, creating a stunning visual display. Perfect for desks and classrooms, this toy combines science and fun for all ages.
Features:
- Material: Plastic, Glass
- Newton's cradle, named after Isaac Newton, is a device that demonstrates conservation of and energy via a series of swinging balls. When one on the end is lifted and released, the resulting force travels through the line and pushes the last one upward; or pushes one side, all balls will swing together in a line. The device is also known as an executive ball clicker, Newton's balls, or Newton's pendulum.
- Install batteries, it will light on the base board, and the balls will look colorful and beautiful.
- Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy
- 4 pieces AA ( 1.5 V ) batteries are needed to light up (not included)