Fine gift for kids: This piggy bank can be a fantastic gift for your kids and you can use it to help them develop a good habit of saving money. Environmental material: The password piggy bank is made of high-quality ABS plastic, absolutely no odor, anti-aging, sturdy and durable. ATM Design: Put the paper money on the money inlet of the piggy bank. It can be rolled into the machine automatically, which can stimulate children's curiosity. Password protection: four-digit password protection. If you press the wrong password, just take out the batteries and reboot the system. The password will be changed back to 0000. Large Capacity: This piggy bank can store 600 coins or 100 paper money. Batteries: 3 AA batteries (not included).