"This is a rocket ship. It has lights, wheels, jet engines, and lots of things. Here, is the chest. Do you know what is in the chest?"
"Nothing?"
"A JEWEL. This is a magic jewel. The wizard needed a magic jewel, wanted it so much. But, he spent so much trying to get it he forgot the sun. So when the sun rose, he turned TO STONE and exploded! Now he IS a magic stone!"