Premium MaterialThe password piggy bank is made of high-quality ABS plastic, odorless and not easy to break. It's an interesting money box customized for kids, helping them develop a money-saving awareness and cultivate the good habit of saving.Password ProtectionThis money-saving box can only be opened when you enter the 4-digit password. After the green light turns on, you can turn the knob clockwise and open the door. (Default: "0000"; passwords are changeable as you like) No one can open it without the password.High Storage CapacityThe kids' ATM bank can store 600 coins or 100 pieces of paper money. It greatly helps your kids protect their personal items, and they will love this practical piggy bank toy. Battery Required: 3 * 1.5V AA Batteries (Not included).Automatic Paper Money ScrollInsert paper money into the slot on top of the kids' money box, and it will be automatically rolled into the ATM-style bank instead of sliding in. It's very convenient for money management. (Note: It doesn't work if the paper is too old or too soft)Perfect Gift for KidsThe digital money box comes with a beautiful color box, making it an ideal gift for birthdays, Christmas, Halloween, Thanksgiving, Easter, rewards, or any other holiday. It's particularly suitable for boys and girls aged 3-12.NOTICEWhen changing the password, the door of the piggy bank must be open.Titanium Alloy