Research-Based Literacy Manipulatives for Reading Success! Further young childrens' understanding of clusters and combinations that are used to build words. The more word parts children learn to recognize, the more words they can read and spell with confidence! Allows children to build and read words by using letter-chunk units. BOX SET INCLUDES: 63 tiles (40 blends and digraphs plus 21 vowel pairs and 2 blank tiles) and a 4-page teaching guide. 63 easy-gripfoam magnetic tiles and teaching guide. Box: 2-7/8"h x 8-7/8"w x 6"d. Grades K-2. ISBN: 0-439-83867-3 , 0439838673