This award-winning puzzle recreates Boston?s famous skyline, not only in three dimensions using scale-model buildings, but also along the fourth dimension of time, spanning over 330 years of architectural history. The puzzle includes 42 plastic building replicas that depict the city as it appeared as far back as 1680 through to 2012, with the addition of 40 generic buildings. The puzzle includes such iconic structures as the Paul Revere House, Faneuil Hall, Quincy Market, and Boston City Hall. The buildings fit into pre-cut holes in a traditional 2D jigsaw puzzle that form the city?s street layout. The product includes a Time Poster that directs you through time as you rebuild Boston?s skyline history. Ages 14+.