Numbers, Alphabet, Colors & Shapes, and Sight Words. Fun and vibrant flash cards will get your child started on the right track Each deck comes with a binder ring that fits easily into the hole punched in every card, ensuring that cards don't get lost - 36 cards in each deck - Learn basic skills and language - Ideal for reviewing and practicing - Perfect for on-the-go learning. Flash Card Set Box measures 6.04" wide x 6.75" high x 1.89" deep (15.35 cm wide x 17.15 cm high x 4.80 cm deep).