Magnet, Stand with Floating Ring Magnets

To demonstrate magnetic fields.

A simple apparatus to demonstrate the principle of magnetism. Comprises of 8 ring magnets enclosed in an arch shaped brass stand. The magnets are painted red on the side of the north pole. They are arranged in 2 groups of 4 magnets with the same poles facing each other. If all the magnets are moved to one side, the two middle ones will have unlike poles facing each other.