iSpeech Toddler Sign Language is a sign language training program designed for use by children with hearing, learning or communication disabilities and others desiring to learn American Sign Language (ASL). The program comes with 2 volumes including 60 commonly used words. The program’s signs assist children with developmental delays or children who are too young to articulate words to communicate with the people around them. Other features include a detailed illustration of each sign; a definition of each sign; an explanation of how to replicate each sign; and a detailed animation of the sign with two animated children, Sadie and Sammy, each of which demonstrates 30 signs. COMPATIBILITY: For use with the Apple iPhone, iPod Touch or iPad. SYSTEM REQUIREMENTS: Apple iOS 3.0 or later.