Go for a stroll with some delightful duckies as companions! Mama Duck and her two babies link right to a stroller or car seat, offering plenty of busy activities wherever baby goes! Fun sounds and music to enjoy, along with a shiny mirror, rolling bead ball, and crinkly butterfly that can link anywhere. Includes special areas to attach extra toys. Because babies need a variety of stimulation throughout the day, the Link-a-doos™ system makes it easy to switch toys around frequently, enhancing baby’s development with fresh new sights, sounds and textures to explore Includes non-replaceable batteries.