3 Speed & Sound Control - The upgrade crawling crab toy 2.0 version has 2 more features- Speed adjustable (including3 speed: slow, medium, fast) and Music can be turned off, which perfectly solves the problem of the toy being too fast & too noisy for baby, infant, kids or your pets Fun Catch Me Crab Toy -The crawling crab toys will escape when the toddlers try to catch it, which will attract your kids to interact with it. It will develop baby s gross motor skill and coordination. Great for kids as Christmas gift, present, stocking stuff. Automatically Avoid Obstacle -The cute dancing crab toys adopted advanced infrared technology with built-in sensor, which can automatically avoid obstacles and move in the opposite direction. USB Rechargeable -The musical walking crab toy is powered by 3.7V lithium battery, 2 hours charging time can run for up to 30 minutes with non-stop operation. Package come with a USB charge cable. Please note: Do not use this toy on carpet, in water or humid environments. Safe & Quality ABS Materials -The fun moving crab toys are made of high quality non-toxic, environmental & durable ABS material, the edges are smooth without burrs, 100% safe for your children to play in home or outdoor. Ideal for children 1-12 years old as a birthday, Halloween, Thanksgiving, Christmas holiday gifts.