Choose these favorites for learning fun in the classroom, on the go, or at home. Award-winning Match Me Cards boost matching and memory skills, and help teach children the concept of opposites. Familiar photo images and words build language arts skills and reinforce conceptual learning. Play 6 ways for hours of fun! Activities included. Sturdy storage box. 52 two-sided cards per set, 3" x 4". Sold as 6 sets.