Musical Toy: Our walking octopus baby toy has a built-in infrared sensor. If it encounters an obstacle while moving, it will move in the opposite direction in time. Lights and music make it very attractive for kids. Rechargeable Battery: This musical toy has a built-in rechargeable lithium battery. Simply plug the cable into the toy and the USB connector into your computer or charger. Make sure the toy is turned off when charging. EASY TO USE: One control switch, just turn on the switch to start using. The baby crawling baby toy plays dynamic music while crawling. This is useful for developing your child's motor skills and hand-eye coordination while having fun. High Quality: This baby toy is made of non-toxic ABS material, the edges are polished smooth, no burrs, no small parts, avoiding the risk of choking. Note: Do not use this toy in water or wet environments. PERFECT GIFT FOR BABY: Toddler toys are ideal as birthday, Christmas and other holiday gifts for kids. Funny toys bring lots of surprises and fun to kids.