Have each person write three "yes or no" questions they may ask someone in this group on an index card. Questions such as, "Did you grow up in Wyoming?" "Do you like Dr. Pepper?" "Do you have any brothers?" (Don't give them the rest of the instructions until they have written their questions)
Then give each person three pennies, and explain that the object of the game is to gather as many pennies as possible in the time allotted. They need to find as many people as possible who can answer "yes" to their questions. For each "yes" answer they get, they can take a penny from the person answering. Give them seven to ten minutes, depending on the size of your group.