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Large size: 27*16.5 * 22CM medium size: 23*14 * 18CM small size: 17*11 * 14cm

  small size: 250g medium size 340g large size 500g

packing: small 144/box, medium 72/box, large 36/box

large size 36 PCs/box gross weight 18kg box gauge: 55*45.5 * 35cm

medium size: 72 PCs/Box 25 gross weight 25kg box gauge: 69*35.5 * 45.5cm

small 144 PCs/box 26kg/box gauge 75*38 * 46.5cm

It is normal for the arc to be plastic plated silver to fade in some places. Please consider carefully before ordering

the momentum conservation theorem in the principles of physics is believed to be familiar with in high school.
Move one, two, and three a regional name for billiards to see different effects, and the fun is unlimited.
There are many ways to play. It depends on your thinking. The Swing ball cannot move forever. Only in a specific vacuum state can it move forever. If you mind, please be careful!!!
Use one ball to push the other 4 balls, you will find that only 1 ball will oscillating; If it is 2 balls, 2 balls will swing naturally
it can make the ball swing evenly without using electricity, which is a small craft to kill time when boring.
I also found another function -- hypnosis
when you don't want to sleep for a long time, will you feel pain? When you count sheep one by one, do you feel too naive?
Then please use this to have a look, pick it on the table and move your eyes with the collision of iron balls. It won't take long to ensure that you will sleep peacefully!

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