Newton Teaching Science Desk toys Cradle Steel Balance Ball Physic School Educational Supplies Cradle Balance Balls Desk Toy

Features: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.Specifications: Color: wine redItem size: 90*76*92mmPackaging size: 95*82*32mmPack Content:1 x Newton’s Cradle Balance Balls Desk Toy