New Model Willis Tower Chicago Landmark Architecture Series Building Brick Block Toy New Model Willis Tower Chicago Landmark Architecture Series Building Brick Block Toy Never before open, but has exterior damage from travel back to AZ Model: Willis Tower, Chicago - NEW FACTORY SEALED Piece Count: 1235 pieces Material: Eco-friendly ABS plastic Includes full color step-by-step easy to read instruction manual Compatible with most major block brands - uses standard sizing Features: Realistic design to resemble the actual Willis Tower identically. Durable bricks made with plastic ABS and one time casting Great for relaxing, focusing, and decompressing Perfect build for architecture fans and travelers