Superhero Calendar Set: This set consists of 12 headliners. Each headliner measures 5" x 18". A chart that measures 17" by 22". Related lessons and activities are provided on the back. Calendar Days that are about 2.5 inches. 36 total cards, including Cards 1-31, a 23/30 card, a 24/31 card, and 3 blank cards. Convenient, useful learning tools that decorate as they educate!