Object: A small cardboard box partially filled with foreign coins.

Lesson: Righteous anger; fairness.

After the children gather, I shake the small cardboard box I have brought. The distinctive noise that results cannot be mistaken. "What do you suppose I have in this box?" I ask the children. "Money!" they answer with an air of excited anticipation. "Yes, the box contains money," I agree. Then I open it and take out a quarter-sized coin made from copper. I hold it up for everyone to see and ask, "Is this a penny?" "No," the children respond. "But it's the same color as a penny," I protest. "Are you sure it's not a penny?" "It's too big to be a penny," one child says. "You're right," I tell him. "Perhaps it's a dime. It's got this big number 10 on one side." Again I hold it up for the chi…