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! CREATE A HOLIDAY CENTERPIECE: Fun for all ages! Over the month of December, create a delightful centerpiece, over a foot tall, with a sparkling tree topper and shining illustrated, Potter-themed ornaments. LEARN ABOUT CHRISTMAS AT HOGWARTS: A softcover booklet tucked behind a door in the top left corner is packed with behind-the-scenes details on the props, set designs, and special holiday moments featured throughout the films. COMPLETE YOUR COLLECTION: Harry Potter: Yule Ball Pop-Up Advent Calendar is the newest addition to Insight Editions ' delightful line of Harry Potter-themed, pop-up advent calendars, including Harry Potter: Hedwig Pop-Up Advent Calendar and Harry Potter: A Hogwarts Christmas Pop-Up Advent Calendar.