Grades 1 - 4. Create thousands of words using the most commonly found onsets & rimes. Put the tiles face-down on a table and children turn over one of each to see if they made a word. Plays like Concentration and develops power in phonics, spelling, word recognition, vocabulary development and visual memory. A perfect classroom game for small groups and centers and ideal for family fun. Onsets are the beginnings of one syllable words and rimes are the endings of one syllable words. Includes 70 tiles of the most common rhymes and 70 onsets tiles.