1、When the Newton ball transfers down and transfers weight on the gadget, you can see the energy transfer in an amazing way.<br> 2、Decorate your office space with this to show some personality and express your love for science and physics.<br> 3、Use high‑quality nylon line instead of cheap fishing line, plastic base and unique design concept impress people.<br> 4、Made of metal material, newtons cradle has a bright appearance. Putting it on the table can make you feel comfortable.<br> 5、A great gift, you can send this balance pendulum to your friends who like physical and science.<br> 1 x<br> Pedestal1 x Swing Ball<br> Item Type: Newtons CradleMaterial: Plastic+metalSize After Medium White Combination: Approx.<br> 13.5 x<br> 11.5 x<br> 13.5cm /<br> 5.3 x<br> 4.5 x<br> 5.3in (manual Measurement, There is a Small Error)Size After Large White Combination: Approx.17 x<br> 14.5 x 18cm /<br> 6.7 x<br> 5.7 x<br> 7.1in(Manual Measurement, There is a Small Error)Product Use: Suitable for Desktop Decorations, Gifts, Etc.