they are so attractive to mettle


Magnets are attracted to metal,and iron.Did you know that they can be found almost everywhere.

they are not sold everywhere. they have a negative charge and positive charge.A magnet has two poles it is the south pole and the north pole.

Magnet rotor levitation
Did you know that pole is the opposite ends of a battery.If you attract identical poles they repel each other.The world is a magnetic filed place.