4D Puzz now introduces you the most detailed of 3D model kit for Harry Potter Hogwarts Great Hall and Astronomy Tower™ from the famous Wizarding World™! This model will guide you through a multi 3D design assembly of the magical Astronomy Tower™ from famous Hogwarts Castle™. Each sheet is made of paper foam core, allowing the most detailed replica of Hogwarts. This is a medium size model kit that is 30% smaller than the combination of our Great Hall model kit and Astronomy Tower model kit. Approximately 4-6 hour assembly time, no tools required.