Product Description:The fun-filled toy piggy bank, the simulated cash machine, and the security code protect children’s small coffers like a safe, stimulate children’s financial awareness, and cultivate good savings habits.The convenient operation design is suitable for children over 3 years, and children can get more fun by entering password storage. Instructions for use:1. Prepare 3 AA batteries, use a screwdriver to open the bottom of the piggy bank and install the batteries. 2. Enter a 4-digit password (default 0000), the green light is on, and the door can be opened by turning the knob clockwise. Tips: If the password is entered incorrectly, the red light will light up and a beep will sound, just re-enter the password. 3. Coins can be put into the top of the piggy bank, and banknotes can be automatically rolled into the bill slot. Tip: Try to use newer banknotes. If the banknote is soft or older, it is not automatically rolled. Set a private passwordStep 1. Enter the current password (default 0000) to open the door of the piggy bank, press and hold the ”*” button until the red light flashes. Step 2. Enter a new 4-digit password within 15 seconds, press the ”#” key to confirm the new password, release the ”*” key after the red light stops flashing, and the password is set successfully. Step 3. The new password was not successfully entered within 15 seconds. The program will stop and need to restart the program, release the ”*” button and close the door, repeat steps 1 and 2. Reminder: If you forget the password, please take out the battery and reinstall it after five minutes. At this time, the password will be restored to 0000, and you can reset the password. Please make sure the battery is fully charged and avoid mixing old and new batteries. If you are not using the piggy bank, remove the batteries.