The Baby Einstein Roller-Pillar Activity Balls are perfect for little hands and encourage your baby to touch, explore, and discover lots of fun. The five unique activity balls provide a multi-sensory experience while encouraging fine motor skill development and crawling. Each ball features a different activity, encouraging your baby to discover light, chime, rattle and multiple textures. Baby Einstein offers a wide range of developmental and entertainment products for babies and toddlers. What makes Baby Einstein products unlike any other is that they are created from a baby's point-of-view and incorporate a unique combination of real world objects, music, art, animals and nature--providing you with a fun way to introduce your baby to the big, beautiful new world around him.