Willis Tower Construction Set Large

Build your own Willis Tower with this Marvels of Architecture Construction Set.

• Located in Chicago, Illinois
• Completed May 3, 1973 at a cost of $150 million
• 16,100 windows, 25,000 miles of plumbing and 2,000 miles of electrical cables
• 4.5 million square feet of space or roughly 101 footbal fields
• Held the title of "World's Tallest Building" for 22 years
• Visibility up to 50 miles or four states from the 103rd floor observation deck
• The Ledge, 1.5 inch thick glass floor balconies on the 103rd floor, opened in July 2009

Size: 10.5"h.
130 pieces.
Ages: 3+