This soft and durable double-sided book is perfect for your baby’s first developmental stages – For use in a baby crib — it’s designed to encourage visual stimulation, and head lifting. One side is for birth to three months. It features high-contrast black, white and red drawings and images for early infant visual stimulation. The opposite side, designed for 3 to 6 months, features brightly colored, more complicated raised 3D figures and activities. Features crisp and clear shapes and colors, a variety of textures, baby safe mirror and a peek-a-boo activity. A popular item for infants and early learning stimulation.