Identify missing consonant and consonant digraph phonemes/letters find missing short and long vowel digraph phonemes/letters and revise key Phase 3 sounds within a given word. Sound talk read spell words or give specific sounds within a word from the front of the card before posting the card into the smart chute (sold separately) to reveal the answer. On the front there are pictures and sound buttons to help the child sound out the word phonetically. On the flip side the word is written with the sound buttons positioned underneath. Contains 3 packs of cards.