Construct the skylines of some of the greatest cities on the planet layer-by-layer, piece-by-piece. 4D Cityscape has revolutionized the puzzle market forever with our patented three layer history over time puzzles. The first layer is a historical map of the city which forms the traditional jigsaw base of the puzzle. The second layer is then built on top, to form the infrastructure and modern map of the city. Third layer consist of model replica monuments and buildings, this is done by following the 4D Time Chart, which guides you through the history of the city in chronological order. Forever changing the landscape of how puzzles are played, 4D Cityscape are the only puzzles that teach history, geography, and architecture over time! (less)