[Innovative ATM Piggy Bank]This creative money-saving device functions like a mini ATM, automatically rolling and storing bills, making saving fun and interactive for children. [Secure Key Lock System]Features a key lock mechanism (key located at the bottom) for added security, teaching kids the importance of protecting their savings. [Interactive Light and Sound Effects]Equipped with engaging light effects and sound, including 3 built-in songs, to make the saving experience more enjoyable and rewarding. [Educational Tool]Helps cultivate children's hands-on skills and cognitive abilities while teaching them the value of saving money from an early age. [Password Protection]Includes a password feature for an additional layer of security, allowing children to practice responsible money management. Specifications: Product size: 13*13*19cm Product battery: 2 x 1.5V AA batteries (not included)