The island of Yap in the Pacific Ocean is a place where people used and still use the heaviest money in the world: Yap stone. These are round white stones white a hole in the middle. The Yap stone do not come from island. The Yap men have to go to islands 400 mile away to get them. The work the stone to make them round and then make hole middle. they put a pole through the hole so that more than one person can carry the stone. Big stones can be twelve feet high-as big as two tall men . Small stones are as big as dinner plant