This is the easy way to ensure that students of all abilities master the sounds of "ow" as a diphthong and a long vowel. It targets fluency and assumes these words are already in the students' oral lexicon. Teachers know students have different rates of learning. A game like this provides the repetition that some students need. It's likely these student do not read enough to develop the skills through real reading. The words used are: flow, clown, flower, glow, down, growl, crow, town, tower