The colorful, contemporary art on these puzzles encourages students to match the picture and words and recognize simple vowel sounds and consonant blends and digraphs. The puzzle cards measure 4.5" x 3.75". Set Two introduces vowel digraphs including the medial vowel digraphs:ee, ea, oa, oi, ou, ai, ie, oo (moon), and oo (book). There are 36 puzzles in this set.