Cargooy Mini Atm Piggy Bank Best Gift for kids,Money Counter Electronic Code Piggy Bank Safe Box Save Money Coin Bank for Boys Girls Password Lock CaseHow to use: 1.Enter the four-digit password (default 0000), the green lights. If you enter the wrong password, the red light will be illuminated. Will remind you "please try again". 2.lockwise the button, opened the door. Green light for about 10 seconds, there will creak of the door opening. If the door open for more than 10 seconds, the green light is off, and a beep sounds once every 20 seconds. Closed to stop the beeping. 3.The banknote paper money into the mouth, directly into the bill.How to change passwords: 1.Open the box, using the same password before. (default 0000) and then open the safe door. 2.Press and hold the * button, the red light flashes (hold the * button not to loosen). 3.Press the new 4-digit code within 15 seconds, then press # button and the light stops flashing. 4.Release the * button and close the cabinet intact. 5.In case you forget the password. Remove the battery and then insert the new password is 0000. Reset again.Q1:Forgot your password? A: Remove the battery and re-installed over five minutes later, the password is restored to its original state "0000".Q2:What material is this piggy bank made of? A: Made of high-quality 100% Safe harmless ABS plastic and electronic components.You can rest assured to buy for your beloved kidsNote: 1.Please use ordinary 3* AA new batteries. 2.If you don't use it for a period of time, remove the batteries.