Description:The product suits for both kids and adults, excellent for killing boring time and stress release.This display mold is not only a toy, but also a good desk decoration for office or home.Made of metal and ABS plastic material, it is bright, preservative and rust-proof.There are three sizes to choose from: S, M, L.It is suitable for office, home, study and other indoor places.Item Name: Newton CradleMaterial:ABS,MetalSize Details:[Our Size S] Length: 9cm/3.5", Width: 7.6cm/3", Height: 9cm/3.5" (Approx.)[Our Size M] Length: 13cm/4.9", Width: 11cm/4.3", Height: 14cm/5.5" (Approx.)[Our Size L] Length: 18cm/7.1", Width: 12cm/4.7", Height: 18cm/7.1" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Newton Cradle