Willis Tower - Formerly known as Sears Tower - 3D Jigsaw Puzzle
Types: 1-100 Pieces, 3D
Puzzle Pieces: 51
Size When Completed:7.5 in x 10.2 in x 24.8 in / 19 cm x 26 cm x 63 cm
The Sears Tower standing at 1,450 feet roof height and 1,730 feet with antenna/spire is the tallest skyscraper in the United States and the fourth tallest freestanding structure in the world. Construction began in 1970 and upon it's completion in 1973 it was the tallest building in the world and held that title until 1998 when it was surpassed by the Petronas Twin Towers in Kuala Lumpur Malaysia.