This award-winning puzzle recreates Paris famous skyline, not only in three-dimension, using scale-model buildings, but also along the fourth dimension of time; spanning 670 years of architectural history.The puzzle includes 75building replicas that depict The City of Light as it appeared as far back as 1345 through to 2011, and includes such iconic structures as the Eiffel Tower, Arc de Triomphe, and Notre Dame Cathedral.The base of the puzzle is a traditional 2D jigsaw puzzle composed of 1000+pieces that forms the city s street layout and islands. During the process of constructing the base map, one learns about Paris neighborhoods, streets, museums, and more. Once the puzzle base is complete, the vertical building of Paris begins by placing 75buildings and skyscrapers in chronological sequence. This is done by following the enclosed Time Poster, which also details the history of each building.The finished puzzle measures 24”L x 15”W x 2.5”H.Ages 14+.