D40120 Features: -Yookidoo Baby"s First Bumper Book.-Soothing and stimulating music and lights.-Faces light up one after the other from left to right in time with the music.-Simple patterns and images on one side and more advanced graphics on the other for two stages of development.-Plays two different melodies, one soothing and the other stimulating, for 10 minutes before switching itself off.-Use in a crib, stroller or on its own on a mat.-Encourages baby to lift head and shoulders great for tummy time.-Recommended for ages birth and up. Includes: -Accordion-fold book includes a friendly light-up face on every page, encouraging baby to follow along.