Automatic Roll Money The paper money is put into the money box, the induction device is triggered and the cash money will be automatically involved. There is a coin slot on the top of the piggy bank to put coins to save money.(But please notice it doesn't work if the paper is too old or too soft). Password Safe Money BoxEnter the 4 original password(default: 0000, Changable passwords as you like), If you Forgot your password, Please remove the battery and reinstall it after 5 minutes. The password will be restored to "0000". Fun and Educational- Teach your kids to take care of money with our amazing electronic piggy bank Easy to use and fun, this interactive money bank is your kids first step toward financial independence. Perfect Gift toys for 3 year old:The electronic money bank is an idea learning toys.It is wonderful gifts for 3 4 5 6 7 8 9+ years old boys and girls Christmas birthday.The Kids will happy to get this Cool money saving bank. All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.