SEALED. LEGO Harry Potter Advent Calendar 76390. Make the build-up to Christmas day even more magical with the LEGO Harry Potter Advent Calendar. This 274 piece set is perfect for any Harry Potter fan 7 and up. Fans will have fun surprises as they countdown until the holiday. You'll discover 6 favorite minifigures plus exciting items and enchanting accessories from the movies everything you need to play out Harrys journey from Privet Drive to Hogwarts and endless adventures of your own. Box has minor cosmetic damage. Please see photos for condition.