Magnet Wall
Display shows four different properties of magnets.
Graphite levitates above four strong magnets.
Diamagnetic forces levitate a small magnet.
Needles show the direction of the magnet fields. Motors behind the display move a large magnet.
An electromagnetic crane picks up steel nuts while leaving other materials behind.
Display shows how to make a simple motor using only a battery, a magnet and a length of wire.