Newtons, Demonstrate Laws With Swinging Balls, Steel Balance Magnetic Ball Physics Science Pendulum Balls Office Desk Fun Toy

balance ball, an entertaining decoration, the swing ball perfectly demonstrates third law of motion and the law of conservation of momentum.

This is a very interesting decompression toy. The operation is simple and the principle is considerable. The ball can be used to hit other balls and swing.

These Newtonian pendulum balance balls not only demonstrate a pendulum, but are also based on the law of conservation of momentum and energy.

Our desktop balance ball is made of high-quality plastic and sturdy, durable and reliable steel ball. You can use it for a long time. It is a great desktop toy.

This is a very interesting Newton early education puzzle decompression toy. The ball can be used to hit other balls and swing.