Meanwhile, in the real world, at Musikili Primary School, the Grade five teacher, Mrs. Jackson, was talking to her class about magnetic force. "These," said Mrs. Jackson, holding out some small pebbles, "are a form of magnet that can drag any small piece of metal within a few meters, so I want you each to place one under your bed tonight and in the morning see what the magnet can attract." Mrs. Jackson handed out the pebbles.