Z Shaped Pendulum Balance Balls Newton's Cradle Children Educational Toys Table Decoration

Suitable for home decoration, study and office table decoration.

Also a perfect birthday gift and a children's toy.

Excellent educational scientific tool, which shows the pendulum and the Laws of conservation of Momentum and Energy.

It is a very funny decompression toy that a ball can be used to hit other balls and swing.

Steel ball, good vertical sense, strong force when stressed.