An initial curiosity as to the extent of the medieval mere has been expanded, over several years, to include a detailed reconstruction of all of the castle structures, and 6 square kilometres of surrounding (LIDAR based) terrain.   The model data has been imported into the Unity game engine to provide a fully interactive 3D virtual experience.   A guided tour, a quiz, and various historical activities and animated features have been incorporated to enhance the educational content.   This project remains a work in progress.