This is a piggy bank, which coin can automatically slide into, can automatically distinguish coins and sundries with the shape of the roof. Sometimes when we get home and find a lot of coins and sundries in our pockets, we need spend our time distinguishing them. So this piggy bank can help you quickly classify coins and sundries. When there are a certain amount of coins, you can share "Shared House" with children from poor areas. The appearance of "Shared House" can make them warm and hopeful more easily than direct payment.