Sign Language Learning Cards with Braille, Carson-Dellosa Sign Language Learning Cards Set includes twenty-six A-Z Alphabet Letter Cards 6" x 9" Cards feature an alphabet letter, an illustration of the hand demonstrating the sign for that letter, and the braille dot pattern. The braille dot pattern can be raised so that students can feel the letter. Learning sign language is an excellent communication skill for any child. Large colored cards can be useful to help hearing impaired children and adults learn the sign language alphabet.