Description
This is a product that contains mysterious physics and it converts the energy of the battery into magnetic repulsion. The product swings due to the repulsion and it needs to be swung by hand to start.
A simple product that contains mysterious physics. It converts the energy of the battery into magnetic, repels the magnets on the ring, and constantly produces repulsive forces. So that it keeps swinging. After installing the battery, please swing the iron ring by hand, and this will start!