Jigsaw 4D 1300+ Pieces – BerlinThis puzzle recreates Berlin's historic skyline, not only in three dimensions, using scale model buildings, but also along the fourth dimension of timespanning over 700 years of architectural history. The puzzle includes 138 building replicas that depict Berlin's skyline as it appeared as far back as 1292, through to 2006 with the completion of Hauptbahnhof.