Object: A new bar of soap and a very used bar of soap.

Good morning, boys and girls. I brought along with me a couple of friends that most of you probably know but you don't talk to very often. How many of you have ever met Billy Big Bar and his older brother Larry Little Bar? Billy and Larry are good friends but Billy worries a lot about Larry. Every day when they wake up, Billy looks at Larry and becomes very sad. Do you know why Billy is sad about Larry? (Let them answer.) That's right, Larry is smaller today than he was yesterday. Do you know why? (Let them answer.) That's right, someone used Larry and there is less of him today than there was yesterday. One day something is going to happen that is going to make Billy very unhappy if he does…