Two letters that come together to form a single sound are called digraphs. Children will fall in love with the characters as they "meet" 13 different digraphs. Covers ch, ck, gh, gn, kn, ng, ph, qu, sh, th, wh, wr & tch (trigraph). You will be amazed at how easily your little one can learn! Features many new letter characters and also brings back old favorites from Meet The Letters DVD, sold separately.