Matching Letter Number Matching Spelling Reading Toys Learning Game Educational Perfect Design Let security design to every detail and button. Smooth edges, no burrs. Fully meets the size design of the baby's small hand. The sleek lines make it easy for your baby to master. Perfect Ergonomics The overall size and ratio are very suitable for babies. Multiple research and test experience results. Each button allows the child to experience the most comfortable effect. Each corner is designed with rounded corners and is fully protected. Ear gnawing, light music story function, face changing, volume adjustment 3 ordinary7 Numeber batteries, buyer's own Including 1 x music mobile phone