LEGO Assembly Square set

Assembly Square

The Assembly Square (10255-1) is a LEGO Modular Buildings set that was released in January 2017 and retired in December 2023 with a shelf life of 7 years .

This LEGO set has 4,002 pieces and had a RRP of $299.99 (£259.99 / 299.99€) which equates to a price per piece of 0.07c (0.06p / 0.07€) . Since it retired it has gone down in value by -12.7% and now has a value of $261.91 based on average sale price over the last 6 months.

Price over time

New condition


This set contains 10 minifigures with a combined value of $27.62. 8 of the minifigures in this set are exclusive, meaning they don't appear in any other LEGO sets.

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Monthly sales

Value breakdown

The current value of Assembly Square is $261.91

The 10 minifigures in this set make up 11% of the total set value.

The Baby - White Body with Yellow Hands minfigure is the most valuable minifigure in this set who alone contributes 2% of the sets value .

Set pieces

The Assembly Square has 4002 pieces and is ranked 47 on the list of biggest LEGO sets ever made.

The most common colour in this set is Light Bluish Gray

The most common part in this set is Tile 1 x 2 with Groove

My collection

Set details

Name: Assembly Square

Theme: Modular Buildings

Set number: 10255-1

Status: Retired

Retired for: 7 months

Pieces: 4,002

Minifigures: 10

Released: January 2017

Retired: December 2023

Shelf life: 7 years,

US Flag $299.99
GB Flag £259.99
EU Flag 299.99€
US Flag 0.075c
GB Flag 0.065p
EU Flag 0.075€

Set value

Confidence: High

Current value: $261.91

Increase from RRP: -12.7%

Yearly ROI: -12.7%

Where to buy

Bricklink logo Bricklink £198.67 Buy
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Most expensive:
Baby - White Body with Yellow Hands
Least expensive:
% of set value:


Faded medal
47th biggest LEGO set ever made
Gold medal
1st biggest LEGO Modular Buildings set

Other Modular Buildings sets

Similar size sets

LEGO Assembly Square set