Babies can see black-and-white contrasts from a young age. This engaging book introduces bedtime first words in English and Spanish and features a splash of color on each page. Little ones can learn a variety of first words, such as moon, owl, bear, star, crib, bathtub , and many more. The bold lines and black-and-white illustrations are ideal for developing eyes , while the durable board pages fold out accordion-style to encourage tummy time as well as parent/child interaction .