Willis Tower
21000-2 Architecture 2011 69 parts 5.6% catalog rarity Beginner
Build and display the iconic Willis Tower with LEGO Architecture set 21000-2. This striking black-and-white replica brings the famous Chicago, U.S.A. landmark to life, standing 9" (228 mm) tall and 3.1" (80 mm) wide at its distinct labeled base. As part of the LEGO Architecture Landmark series, this model includes an insightful booklet detailing the building’s design, rich history, and fascinating facts about the real tower. It serves as a creative and eye-catching accent, perfect for display on any desk, shelf, or mantelpiece.
21000-2
3D build progress
Log in to see your parts
Loading 3D model
Parts Inventory
Showing the first 12 rows of the parts list (69 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 3× | €0,16 | |
| 1× | €0,12 | |
| 9× | €0,17 | |
| 3× | €0,13 | |
| 3× | €0,11 | |
| 6× | €0,07 | |
| 1× | €0,16 | |
| 2× | €0,10 | |
| 2× | €0,56 | |
| 2× | €0,41 | |
| 2× | €0,07 | |
| 7× | €0,05 |
Catalog rarity
How common are the parts in Willis Tower?
1 of 18 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
2.8%
All sets
6.7%
Least common in our catalog
More Architecture sets
Browse more LEGO Architecture sets related to Willis Tower, including models from 2011 and other sets in the same theme.
Build DNA
Parts inventory insights for Willis Tower
69 pieces puts this build -93% against the average Architecture set and -76% against the average 2011 release.

Vs average Architecture set
Average Architecture set: 1,005 pieces across 66 other sets.
Vs average 2011 set
Average 2011 set: 291 pieces across 257 other sets.
Color profile
Dominant color
Black
Unique parts
3.8 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Brick 1 x 3
12xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
This site is not affiliated with or endorsed by the LEGO Group.
