Use our blends cubes together with CVA or alphabet sets to create thousands of sounds and words! this set of 90 cubes includes the most frequently used two-letter initial blends, medial blends, digraphs and diphthongs. The initial blends and digraphs are green, the medial vowels are orange, and the ending blends and digraphs are yellow. The unifix blend cubes set includes an equal amount of each color.