Sometimes when trawling the ether for the latest and greatest in digital cities you come across something that although not digital is worth posting. The 4D Cityscape Puzzle is a case in point, it includes 'GIS' type layers complete with a time dimension allowing you to view the growth of the cities architectural landmarks. The video below explains it all:
Its horribly nerdy but we kind of like the idea of a cardboard/gis/3d architecture puzzle, head over to http://www.4dcityscape.com/ for full details.