Specification:
Material:alloy
Size:9/14/18cm(3.6/5.5/7.1")
Color:as picture

Package include:
1*Bumping Balls Newton Cradle

Notes:
1. Due to various factors such as monitor brightness and light brightness, the actual color of the product may be slightly different from the picture displayed on the website.
2. Please allow for slight manual measurement bias in the data.

Thank you for your attention, if you want buy more than we listed, please contact us.we will be ready to reply you ASAP.