Over 100 different card game options to choose from. Cards games for Preschoolers and Kindergarten include using skills such as - Number Recognition - Counting - Larger Numbers - Smaller Numbers - Odd and Even Numbers - Addition - Subtraction. Card games for 1st Graders thru Adult include using skills such as Addition - Subtraction - Multiplication - Division - Exponents. Tremendous advantages over traditional flash cards, motivates learning, and fun and exciting. The deck contains 45 blue back and 10 red back cards.  Free shipping!