Pay attention to the healthy growth of baby. This mobile activity center allows your baby to learn both walking and eating. Scientific design will helps to prevent O type leg and exercise the strength of limbs. There are two heights available to adjust according your baby’s age. The top steering wheel is rotatable with a horn. Push the bottom at two sides then you will hear lovely music. The volume is controllable to prevent hearing damage. In addition, as it is certified by ASTM, you may rest assured that all the materials are friendly to baby. .