High Quality Materials:ABS plastic;Safe simulation design,no odor and sturdy and not break easily;An interesting piggy bank specially designed for children.(Applicable Batteries: 3 * 1.5V AA Batteries (not included).) Password Piggy Bank:Four electronic password protection,if you press the wrong password, it will be issued.Only be opened when you enter the 4 digit correct password,the green light will turn on then you can turn the knob clockwise and open the door.(Default: 0000,Changable passwords as you like). High-capacity Money Saving Box:This piggy bank can store 600 pieces of coins or 100 pieces of paper money.Make children to plan to store pocket money,greatly helping children develop a good habit of saving money. Automatic Paper Money Scroll:Insert the paper money into the slot on top of kids ATM money bank, it can be rolled into the ATM machine automatically.Easy for kids to use.(But it doesn't work if the paper is too old or too soft) . A Perfect Gifts:Kids will love to receive this Cool money saving bank.It's fun and educational and teaches the importance of saving.It's the best gift for your birthday Gift,Christmas Gift,New Year's Gifts,prize, reward, or any other holiday gift.(Recommended for ages 3+ Year Old.)