LEDライト付き振り子永久運動物理学学習バランスボール デスクトイ

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)