Spark laughter and learning with fun card games! Match uppercase and lowercase letter pairs and build alphabet and reading skills. Whimsical illustrations provide letter sound/word cues. Versatile cards adapt to growing abilities for endless rounds of learning fun and mastery. Great for school, home, childcare, and travel. Durable, no-see-through cards. Quick-sorting, rounded corners. Cards measure 3 1/8" x 5 1/4". For ages 3 and up. Each set includes 56 two-sided cards. Sold as 6 sets.