Newton Cradle Balance Steel Balls Perpetual Motion

Item type:Balance ball model
Size: As shown
Color: As shown
Material: Steel
100%brand new and high quality
Packing list:
A balance ball model

Note:

1.Please allow 1-3 cm differs due to manual measurement.

2.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding