Research-Based Literacy Manipulatives for Reading Success! Help children increase their sight word vocabulary, and improve their decoding and spelling skills with word family tiles featuring the top 42 word families! BOX SET INCLUDES: 98 tiles (42 word family tiles plus 56 letter tiles) and a 4-page teaching guide. 98 easy-grip foam magnetic tiles and teaching guide. Box: 2-7/8"h x 8-7/8"w x 6"d. Grades K-2. ISBN: 0-439-83866-5 , 0439838665