Hot Dots Jr. Card Set Colors Identification, matching, patterns, vocabulary Getting ready for school has never been this much fun! Hot Dots Jr. Card sets teach children all they need for academic success. Cards can be used alone as traditional flash cards, or when used with "Ace" the Talking, Teaching Dog or "Kat" the Talking, Teaching Kitty (both sold separately), fun lights and encouraging sounds guide children through cute, colorful lessons.