Build youngsters' understanding of opposites - based on quantity and size as adjectives, and the opposites of position in space as prepositions. This set includes 24 pair of colorful 4.5" x 2.75" cards along with an instructional guide. Will help kids develop an automatic and intuitive knowledge of language patterns. Wonderful to help develop oral language skills. Match Mates are printed on a no-tear plastic. The cards are washable and durable. Great for both home and school settings. Match Mates also work well to help English Language Learners acquire word skills in a fun, hands-on manner! Including Teacher's Guide.