Safe money saving: the piggy bank is equipped with passwords. 4-digit passwords must be used when opening the box door (default password is 0000, you can change 4-digit numbers). It's much more safe and convenient to use. Large Capacity: The piggy bank can hold about 700 coins or 300 bills. Interesting and quite fun, a must-have for kids or a gift that will help your kids develop good money-saving habits gradually. 2 in 1 Piggy Bank: You can use the piggy bank as a piggy bank and a password safe. A unique bank that will not only help your children save money, but also have fun! Self-Rolling Ticket: Place your paper money in the roll slot and the money will automatically roll into the box. There is also a coin slot at the top of the box which can be used to store all types of coins. A good gift for your children. Music Money Safe Bank: The piggy bank is made of high quality plastic, sturdy and not easy to break. The piggy bank works with 3 * AA battery (not included). The piggy bank