Overview soft activity book for three developmental stages, with music and lights for Easier Development and Easier Parenting! Details unique developmental toy to fit on most fabric & wooden cots with playful activities, music & lights clip attachments with 2 height options AAA battery operated (batteries not included) *0-3 months – hangs vertically for newborns *3 month & up – hangs horizontally for play during tummy - time or when seating *12 month & up - activity book can also be played with on the floor musical bear - press nose to activate music and lights. Features hanging shapes with activity pockets, non-repeating music, lights, crinkling shapes, clear ball rattle, plastic rings, peek-a-boo flaps and a babysafe mirror. Designed to fit easily on most fabric and wooden cots, and is easily attached by 2 removableclips with 2 height options, plus an angle strap for when used in the vertical position