Word Builder activity cards can be used for sounding out or identifying sounds in various one and two syllable words An image and phoneme color-coding is presented on one side, along with the whole word presented on the back Works with the Tri-blocks Tub (sold separately), which let kids build words and place them on top of the card 5 levels of difficulty are provided and these are color-coded around the borders Covers different vowel patterns, blends, and multiple syllable words