Building Sets by LEGO. Details:Make the buildup to Christmas extra enchanting for young Harry Potter fans with the 2023 LEGO Harry Potter Advent Calendar (76418). A magical holiday gift idea for kids aged 7 and up, the calendar has a buildable surprise (with a simple pictorial building guide) behind every door. Iconic Hogsmeade locations Children will discover 6 new-for-September-2023 LEGO Harry Potter minifigures, including the first-ever Aberforth Dumbledore minifigure, plus 18 mini builds capturing the magic of Hogsmeade, the only all-wizarding village. Build, play, combine The minifigures and buildable models inside this festive calendar can be combined with other LEGO Harry Potter sets for even more creative play options.