Harry Potter: Yule Ball Pop-Up is a truly special piece of paper engineering that can be used year after year. Complete with a specially commissioned illustration of the Yule Ball in festive splendor, a 13" pop-up Christmas tree at the center, 25 printed decorations to hang on it, and a book packed with information about Christmas in the Wizarding World, this calendar is a festive must-have to delight Harry Potter fans of all ages. Recapture the holiday memories from the Harry Potter series, or create your own, as you celebrate the holidays with this must-have collectible for fans of the Harry Potter films. COUNTDOWN TO CHRISTMAS: The calendar is filled with 25 keepsakes of iconic magical artifacts and other elements from the films, which can be used as ornaments to decorate the pop-up tree!