Automatic Roll Money: Put the paper money on the scroll, it can be rolled into the Piggy Bank automatically.(But please notice it doesn't work if the paper is too old or too soft). High-capacity: Can store 600 pieces of coins or 100 pieces of paper money. interesting & funny, a must item for child or gifts, greatly help your child to develop a good habit of saving money. Password Safe Money Box：Enter the 4 original password(default: 0000, Changable passwords as you like), the green light will be on, the ATM can be opened. If you enter the wrong password, the red light will turn on and the sound of "PLEASE TRY AGAIN" will prompt you （you can't open it,if the password it's wrong） Environmental protection materials: It use environmental ABS plastic, No odor, anti-aging, durable, adults and kids all can use it, large capacity, Size: L*W*H: 13.5*12.5*19.5cm Product net weight: 0.56kg Power by Battery: 3 AA batteries (Not Included), Can help adults hold some private small items. Improve the Child's Property safety Consciousness: It can be used to store toys, jewelry, baseball cards, etc. insert coins into the top of the money bank and you insert bills into the side，just use the safe as a piggy bank.