TOOGOO(R) LE Newton's Cradle, Metal Balance Ball
An house or office decoration
Easy to install and uninstall
High class material and very good apperance
Let your room have more fun
Newton's apple tree
Notice: It is not an item that never stop working, if you know more about the law of energy conservation, you will not ask why.
For us, it is no need to know why apples fall, just play and have fun!