This is Newton's cradle that has been augmented with LEDs and a colorful design. The base has a luminous plate that projects different colors onto the glass beads, creating a fantastic spectacle for everyone who sees it! It demonstrates the laws of conservation of momentum and energy and friction and damping effects.

Specifications:

• Material: frosted glass fishing line plastic base
• Size:12*12*9cm
• Batteries:4 x AA batteries(Not Included)

Package Includes:

1 x Creative LED Swing Ball Decor