You are a cashier making change for customers. The price of the item being bought, the amount the customer paid, and your current score are all displayed at the top.
The goal is to give the customer the correct amount of change. Drag out coins from the bottom onto the screen to give the change. Dragging a coin to the trash can will delete it. You must make the correct change using the fewest amount of coins possible. Press the "Done" button when you think you have the correct coins.