1pc Newton's Cradle, Stainless Steel And Plastic Material, Desktop Decoration, Essential For Physics Science Experiments, Innovative Office Ornament, Vintage Decorative Style, Suitable For Graduation Ceremony Stage, Desktop, Bedroom Vanity Decoration

1 Piece Newton Cradle Balancing Ball

3-piece Newton's Cradle (Newton's Cradle + Base + Balls)

4pc (Newton's Cradle + 3 Balls)

4pc (Newton's Cradle Balancing Ball + 2 Supports + Ball)

(Standard Model Swing Time 50%) 2.0-kN-1pcs (1H)

(Upgraded Version, Swing Time 75%) 3.0-kN-1pcs (1H)

(Basic Style Swing Time 25%) 1.0-kN-1pcs (1H)