Newton's Cradle Funny Metal Balance Ball Physics Science Desk Toy Accessory

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. Great gift for everyone. Includes metal balls, plastic frames and base. Description: Material: Metal, plastic Size: S, M S: 9.2*9.7.5CM M: 14*13.5*11.5CM Quantity: 1 pcs Package included: 1 x Newton's Cradle Balance Balls Desk Toy

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. Great gift for everyone. Includes metal balls, plastic frames and base.