[Music and Glowing Crab Toy] - A great value green LED light-up crawling and sensing obstacle avoidance function, when it encounters an obstacle in the process of moving, it will move in the opposite direction in time. Lights and music are very attractive to children. NOTE: DO NOT USE THIS TOY IN WATER OR MOISTURE. [LONG TIME PLAYING] -2 hours charging time will last up to 20-30 minutes of uninterrupted operation. The package comes with a USB charging cable. It is very convenient to charge via USB charger, computer, power bank. Make sure the toy is turned off during charging. [HIGH QUALITY MUSIC TOY] - This versatile musical crawling crab toy can withstand bumps. High quality crawling crab is made of non-toxic ABS material. Smooth edges and the right size for babies, toddlers, girls, boys. [Child Development] - This is a fun musical toy for boys and girls. Kids will love interacting with the crabs as they move around with lights and music. The musical crab toy can help young children's development by stimulating physical movement and coordination.