New York City 4D Cityscape is a patented， multi-layer puzzle that comes with 700+ puzzle pieces and 2000+ educational facts! Assemble the first two layers of the puzzle to form a map of the city's streets， roads， railways， parks， and geography.When the base layers are complete， you're ready for a trip through history! Using 120 scale-model buildings， the puzzle spans 200 years of architectural history.This allows you to observe the skyline as far back as 1812 and up to 1971 with the addition of the World Trade Towers， and then into the future to 2013 when One World Trade Centre (Freedom Tower) will be finished.New York City 4D Cityscape Puzzle includes such iconic structures as the Statue of Liberty， Empire State Building， and the United Nations.How does it work.Once your base is complete using traditional jigsaw puzzle pieces574 to be exactthe vertical building of New York Citys skyline begins.This is done by following the enclosed 4D Time Poster.New York City 4D Cityscape Puzzle is an exciting new way to get kids interested in all aspects of building a great city: architecture， geography， science， engineering and design.<br>