If you take a piece of wood and put it next to another piece of wood, nothing happens. And if you take a pice of granite and put it next to another rock, still nothing. But if you take this piece of iron, and put it next to this other piece of iron, magic! I mean, magnet.
Magnetic objects are able to magically attract at long distances because they generate magnetic fields that extend invisibly out beyond the object. But the mystery is this: where do magnetic fields come from?