New and high quality
Material: Metal+Plastic
Size: 10.5*18.5cm
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.
Package Included：1pc
Note:
1. Due to manual measurement, please allow an error of 1-3mm.
2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.