Key Features :
i : Getting ready for school has never been this much fun! Help your kids prep for school success with this interactive numbers and counting set!ii : Use as traditional flash cards or with any Hot Dots pen (sold separately) for an interactive experience with fun lights and sounds!iii : Includes 36 double-sided cards—that's 72 cute and colorful learning activities!iv : Provides practice with number recognition, number words, counting, and number sequencing.