Yookidoo Baby's First Book - Lights and Music Soft Double Sided First Book (0m+) 10 Colorful lights flash in sequence to encourage baby to track and follow the show. Develops head and Shoulder muscles, promotes head lifting, and strengthens visual focus. Choose between two modes of classical music (Chopin and Haydn) for relaxation or stimulation (10 mins Ea) Mute mote for silent play Multiple textures for tactile development and Baby Safe Mirror Battery operated first soft toy book with lights and music. 10 colorful faces light and flash in sequence. Multiple textures and colors, crinkly parts and a baby safe mirror. 2 modes of classical music (Haydn and Chopin) - 10 minutes each. Mute mode for silent play. Easily attaches to the crib, pram or stands upright on the floor. Easily folds for on-the-go uses. Encourages repeated head lifting and turning. Promotes visual tracking skills and depth perception. Promotes sensory development and enhances tactile stimulation. Develops auditory skills. Music mode selector &amp; on/off switch. 5 X Peek-a-boo activities. 10 XTracking lights. 1 X Baby safe mirror. Colorful 3D four seasons themed side. Black white &amp; red side with strong geometric shapes and contrasting colors.