Features:

• Brand new and high quality.
• Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
• Friction and damping effects are also observed.
• Often used as a toy to amuse people.
• Includes steel balls, plastic frames and base.
• Great gift for everyone.
• Size:18cm x 11cm x 14cm - 7.09inch x 4.33inch x 5.51inch.

Package Included:

• 1 x Balance Balls Desk Toy

NO Retail Box. Packed Safely in Bubble Bag.