Environmental ABS plastic, No odor, anti-ageing, durable, adults and kids all can use it, large inside capacity, can help adults hold some private small items. High-quality plastic, sturdy and not break easily. Automatic eat cash, can store coins and cash. Operated by 3 AA batteries (Batteries not included). Do not mix the use of new and old batteries. If you don't use it for a few weeks, remove the battery. Make sure the battery power is sufficient when using, otherwise, it will affect the automatic roll money and unlock function of the Piggybank. Enter the Three-digit password, and the green light turns on. If you enter the wrong password, the red light will be lit, and will issue "please try again" voice tells you. You can change to another 4 digits password. If you forget the password, just take out the batteries and restart, the password returns to 000. Enter the correct password then the light turns green, the ATM can be opened. The piggy bank can suck the dollars in like an ATM machine but not able to count the money. Color : Multicolor. Perfect for children cultivate saving habits, ATM mode, and password, fingerprint, makes much fun. ? How to Use: 1. Open the box, using the same password before. ( default 000 ) and then put finger on fingerprint sensor and then open the safe door. 2. For Generate new password ? While Creating new password please put door open. ? Press and hold the * button, the red light flashes. (hold the * button not to loosen). ? Press the new 3-digit code within 15 seconds, then press # button and the light stops flashing. ( press * continuously while step 2 & 3 is performing ). ? Release the * button and close the Door intact. 3. In case you forget the password. Remove the battery and then insert the new password is 000 (default 000). Reset again.