Object: an old, worn out dollar bill and a crisp new one.

Good morning, boys and girls. Have you been keeping busy this summer? (Let them answer.) It's fun to play outside when we have time for it, especially in the weeks before school starts again. Sometimes we can't just play or do the things we want to, though, because our moms and dads want us to help them. The warm summer months can be a good time to do things like that too.

Sometimes in warm weather like this our parents will ask us to help clean out the garage, or the basement, or the attic, or the "junk room." Wh…