Impossible magic box - Scatola magica impossibile

The box closes thanks to the ball held by a magnet, to open it, you have to give it a clean blow to make the ball detach from the magnet and free the joint.you need: ⬇
- 10 mm diameter steel ball:

https://amzn.to/3sCuGLi

- A neodymium magnet with a diameter of 6 mm and a thickness of 2 mm:
https://amzn.to/45EC4Zn

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