High quality materialsEnvironmental ABS plastic, odorless and sturdy and not easily broken, an interesting safe specially designed for children. Piggy Bank Safe with Code This safe can only be opened when you enter the 4-digit password, the green light will turn on, then you can turn the knob clockwise and open the door. (By default: "0000" Password can be changed as you like). Money ManagementProtect children's personal belongings, can store coins or paper money, greatly help your children develop a good habit of saving money. Teaching life skills and money management at a young age is a great thing. Easy to UseInsert coins into the coin slot on the top of the bank and when you drop bills, it sucks up the money instead of swiping it. No one can open the safe without a password. A Perfect GiftKids will love receiving this COOL bank to save money. It's fun and educational and it teaches the importance of saving. It is the best gift for your birthday present, Christmas present, New Year gifts, prizes, rewards or any other holiday gifts.