With over a dozen exclusive Harry Potter collectibles inspired by the sinister Dark Arts, this official advent calendar is the perfect way to ring in the year's spookiest holiday. Open a new gift pocket each day to discover magical keepsakes, behind-the-scenes secrets, and fun facts about everything from dangerous curses to infamous characters like Bellatrix Lestrange and Lord Voldemort. Fun and interactive, Harry Potter Dark Arts: Countdown to Halloween celebrates the darker side of the Wizarding World!COUNTDOWN TO HALLOWEEN: Open one pocket each day for 13 days leading up to Halloween to discover a new exclusive surprise item inspired by the Harry Potter films. 13+ MAGICAL SURPRISES: Discover one-of-a-kind collectibles inspired by the Dark Arts, including stickers, buttons, recipe cards, and more! EXPLORE THE DARK ARTS: Learn behind-the-scenes secrets and on-set details about the Harry Potter films' scariest scenes, settings, and characters. THE PERFECT HARRY POTTER GIFT: This countdown calendar will add a dash of Wizarding World magic to the Halloween season for every Harry Potter fan. COMPLETE YOUR HARRY POTTER COLLECTION: Continue your holiday celebrations with Harry Potter: A Hogwarts Christmas Pop-Up and Harry Potter: Holiday Magic: The Official Advent Calendar.