Yookidoo - Lights and Music First Book Battery-operated. Each of the colourful 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 Features: - Choose between two modes of classical music (Chopin & Hadyn) for relaxation or stimulation - 10 minutes each - Mute mode for silent play - Multiple textures for tactile development & baby safe mirror - Introduces four seasons of the year - For use in the crib, stroller or on the floor What's in the box x 1 Lights and Music First Book