With its bright lights, cool tunes, and two super fun ways to play as your baby grows, the Fisher-Price BeatBo Boogie Boom Box will have tiny dancers' hands busy and feet boppin' along to the beat! Little ones can bat at the roller ball to get the party started with lights and music or slide the "switch" to hear it click. And each character has a different shape for older babies to sort into the slots on the boom box, activating even more funky beats and fun phrases! You can even take the party with you wherever you and your baby go with the easy-to-grasp handle. Where development comes into play.