Parachute Sector Perpetual Motion Desk Decor Newton Pendulum Balls Chaos Swing Ornament Child Physics Scientific Education Toys

Style : Modern Style Material : plastic Origin : China material : plastic+metal size : 18.5x10.5cm

Properties: Name:Newton'S Cradle Ball Shape:As The Picture Shows Material:Plastic Size:10.5*18.5cm Color:Black Base(Please Understand That Size And Color Are Slightly Difference) Package Content:1 Pcs Newton'S Cradle(The Props Used For Photograph Are Not Included) Reminder: Due To Transportation Reasons, This Product Does Not Contain Batteries.

Features: 1,This Is An Interesting Toy And A Good Teaching Prop. 2,It Shows The Rules For Conservation Of Momentum And Energy. 3,It Is Not Only A Newton'S Cradle, But Also A Stress Relief Ornament. 4,This Represents People'S Pursuit Of Perfection. 5,It Is The Best Gift For Relatives, Friends, Teachers, Classmates And Lovers.

Note: 1.Because of the size measurements are handmade, so there may be 0-2cm error. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.