Teach your little person the most used language in the United States -American Sign Language or ASL-Great educational tool to teach them while they are young! Learn along with them-also great to learn anytime for an adult or elderly who is losing hearing!This sale is one DVD with 2DVDs-Leah’s farm and the alphabet edition-the best one to own and use! volume 5 & 7 in one DVD I eventually bought the whole set so this is extra-never opened and in cellophane!