How does it differ from set 21001?

It shows the same building but has 69 pieces instead of 72 and a different parts list. Both sets have their own pages here.

Who is Brickstructures?

Brickstructures appears in the catalogue as part of the set name. We do not make further claims about the background of this version.

Are any minifigures included?

No, the set consists solely of 69 building pieces in 21 types. It is a pure display model.

Set 19720 John Hancock Center (Brickstructures Version)

Architecture

LEGO® John Hancock Center (Brickstructures Version)

This version of the John Hancock Center carries number 19720 and is listed as the Brickstructures version. It has 69 pieces in black, light grey and white. The full parts list is below.

Set number: 19720
Year: 2008
Pieces: 69
Minifigures: 0
Theme: Architecture
Different parts: 22

What can I build with it?

Parts list 22

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (2)

These extra parts come with the set in case one gets lost.

Description

Two numbers, one tower

The John Hancock Center in Chicago appears twice in the catalogue: as Architecture set 21001 with 72 pieces and as the Brickstructures version 19720 with 69 pieces. Both show the same skyscraper with its distinctive diagonal bracing. The difference lies in the details, since this variant has three fewer pieces and a slightly different make-up. If you compare the two pages, you can quickly see where the part lists diverge and which bricks one model lacks compared with the other.

Cut back to black, grey and white

The palette is strict: black, light bluish grey and white. It looks like an engineering model and suits a building whose steel frame is visible from outside. With 21 different part types the choice is smaller than in many sets, and the list stays easy to read. That makes the model a good candidate for anyone who collects small buildings in a single colour scheme and likes to display them side by side.

A model for looking at

There are no minifigures, and the set is not made for play in the usual sense. It is a desk model that finds its place on a shelf or windowsill once it is finished. The build itself takes little time with only 69 pieces, yet it still shows how a slender tower can be put together from plates and bricks so that it stays stable and does not wobble or lean as it rises.

Making use of the parts list

Below this text you will find every part with its colour and quantity. Black and grey plates appear in many other models, so it is worth a look. With "What can I build?" you can see which further sets your own collection could produce. If you own several Architecture models you can also mix their bricks into a skyline of your own and recombine the buildings to taste, perhaps changing the height of each tower.

FAQ

How does it differ from set 21001?: It shows the same building but has 69 pieces instead of 72 and a different parts list. Both sets have their own pages here.
Who is Brickstructures?: Brickstructures appears in the catalogue as part of the set name. We do not make further claims about the background of this version.
Are any minifigures included?: No, the set consists solely of 69 building pieces in 21 types. It is a pure display model.

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