Grades K & up. Increase sight word recognition, develop phonics skills, improve fluency, build vocabulary, motivate young readers, and provide hands-on reading experiences! It includes 250 self-checking puzzle pieces -- 125 word puzzle pieces (approx. 1 1/2 inches x 2 inches) and 125 photo puzzle pieces (approx. 2 inches x 2 inches) and a 4-page booklet with directions, teaching suggestions, and games.