Celebrate the holidays with the Batman Family and Gotham City rogues with The Official Batman™ Advent Calendar. This unique book features 25 pockets filled with exclusive keepsakes like recipe cards, pins, patches, and many more fun and unique gifts inspired by Gotham City! Ring in the holidays with this must-have gift for fans of the Caped Crusader. COUNTDOWN TO CHRISTMAS. Uncover a new holiday surprise each day of December! Find the hidden compartments and reveal the exclusive Batman™ keepsakes to add to your collection. UNIQUE HOLIDAY CENTERPIECE. Display this advent calendar on a tabletop or an entryway for a unique holiday decoration.