The Baby Signs Program is the world's leading sign language program for hearing babies. It is an early-intervention program that has been proven through scientific research to boost babies' cognitive, language and social-emotional development. The Baby Signs Program was chosen by the U.S. Department of Defense for use in their Child and Youth Services programs for military families around the world. Baby Signs®, the ORIGINAL sign language program for hearing babies, has been bringing powerful, research-proven benefits to babies and their families around the world for over 25 years. The Baby Signs® Program is the world's leading sign language program for hearing babies because it's the only program: * created by child development experts specifically for babies. * proven through scientific research to provide positive benefits for babies. * based on American Sign Language but flexible to fit the needs of all families. * with a full range of classes and products for parents, babies, and child development centers.