WYBOT LED Light Up Newton's Cradle Balance Balls Toy, 5 Balls Balance Swinging Ball with Base, Multi Color Home Office Science Toy Home Decoration Art Work Birthday Gift, 4.72 x 3.54 x 4.72inch

Description:
This device demonstrates demonstrates conservation of momentum 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. Swing one, two or three end balls and the changing colors will keep you entranced for hours with multiple color changing modes from blinking to cascading. You can put it on your office desk or your home desk or on your shelf. It will be cool desk toy.

Features:
These glass balls are environmentally friendly, non-toxic and are designed to last for a long time.
Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.
Install batteries, it will light up on the base board, and the balls will look colorful and beautiful, very attractive.
Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.

Specification:
Condition: 100% brand new
Material: Glass + fishing line + plastic base
Color: As pictures shown
Battery: 4 x AA batteries(not included)
Size: approx. 12 x 9 x 12cm / 4.72 x 3.54 x 4.72inch
Package Weight: approx. 185g

Package Included:
1 x Balance Balls Toy

• Science Toy: Interesting and innovative, it shows the swing and the law of conservation of momentum and energy, a nice toy for kid. When you are tired of studying and working, stir the ball to hear the clanging sound to reduce stress and ease your mood.
• Educational Gadget: Simple operation, pull one or more balls backwards, then release, the same number of balls will swing on the other side.
• Exquisite Gifts and Decorations: Newtons cradle toy is Suitable for home decoration, study room or office table decoration, also suitable for birthday gifts and children's toys.
• LED Balance Balls Decor: Install batteries, it will light up on the base board, and the balls will look colorful and beautiful, very attractive
• Durable Material: These glass balls are environmentally friendly, non-toxic and are designed to last for a long time. Pursuit of craftsmanship spirit inspired us to continuously produce high-quality goods