The VTech Crawl & Learn Bright Lights Ball rolls on its own! This sweet baby toy has a built-in motor that moves the ball, encouraging baby to crawl and chase.Press the chunky buttons to meet animals, learn numbers and play 4 songs and 12 melodies. The VTech Crawl & Learn Bright Lights Ball has a spinning turtle with fun responses and fun light up number buttons.Sensory Play Sensory toys are hugely beneficial to your baby's development. This sensory baby toy has bright colours, musical sounds and fun ways to move, stimulating your babys senses.