Kinetic Art Perpetual Motion Machine - Energy Ball Desk Toys for Adults and Kids,Battery Powered Perpetual Motion Simulator Educational Science Kits Office Home Decor( Read Instruction
1.You need put battery in the back of the round platform.You need debugged it according to the instructions when you recived it because of the transportation it may shifted.
2.Funny and Creative Perpetual Motion Machine: The non-stop ball looks funny,makes everyone want to buy one to play.
3.Perpetual Motion Simulator:It will make you think how and what make it works in Physics.
4.Perpetual Motion Simulator:It will make you think how and what make it works in Physics.
5.Educational Science Kits:Gifts for your own kids to feel The charm of physics and study the work theory..
