Sets include 72 patterns and sequencing activities on 36 double-sided cards. When used with "Ace" The Talking, Teaching Dog (sold separately), fun lights and encouraging sounds guide children through cute, colorful lessons. Cards can be used alone as flash cards. Cards are 6"L x 4"H. & store in case that features handle for easy carrying. Sold in sets. Numbers and Counting set features number words and sequencing.