The Luminous Ground Glass Pendulum Newton＞s Cradle Steel Balance Ball Desk Toy, also known as balance balls, is a classic desk toy. With a simple construction, it demonstrates the law of conservation of momentum and energy. Believe it or not, these ground glass balls will give you a soothing experience and is definitely a great way to take a break during a stressful day. The light built in the base creates a stunning light effect. It also makes a thoughtful gift for your loved ones.

FEATURES

• Classic desk toy, with simple construction
• Demonstrate the law of conservation of momentum and energy
• A great way to take a break during a stressful day
• Impact resistant ground glass balls, with smooth surface
• The light built in the base creates a stunning light effect
• Make a thoughtful gift for your loved ones

Specifications

Package Includes

• 1 x Newton Cradle