Amazon.com: LEGO Architecture Willis Tower (21000) : Toys & Games
Amazon.com: LEGO Architecture Willis Tower (21000) : Toys & Games
Amazon.com: LEGO Architecture Chicago 21033 Skyline Building Blocks Set (444 Pieces) : Lego: Toys & Games
LEGO ARCHITECTURE 21000 New Sealed | eBay
LEGO Architecture Willis Tower 21000 | eBay
As a Chicago resident and Architecture fan, I love these three... as a fan of build techniques, man - 21000 and 21001 are some of the worst sets I've put together. : r/lego