LEGO 21023
Flatiron Building

LEGO 21023 Flatiron Building box image
Set number
21023
Theme
Architecture
Pieces
471 pcs
Year
2015
Used & parts
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“Flatiron Building” is LEGO® “Architecture” theme set number 21023. Released in 2015, it has 471 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 52 types

Color split (most first)
Tan×215
Dark Tan×109
Light Bluish Gray×68
Trans-Brown×54
Dark Bluish Gray×14
Black×10
Orange×1
Main parts (most used first)
2412b Tile Special 1 x 2 Grille with Bottom Groove
Tan · ×45
3069b Tile 1 x 2 with Groove
Trans-Brown · ×27
3069b Tile 1 x 2 with Groove
Dark Tan · ×27
3024 Plate 1 x 1
Dark Tan · ×26
3023 Plate 1 x 2
Tan · ×21
3070b Tile 1 x 1 with Groove
Tan · ×21
15068 Slope Curved 2 x 2 x 2/3
Tan · ×20
3069b Tile 1 x 2 with Groove
Tan · ×20
3004 Brick 1 x 2
Tan · ×18
3070b Tile 1 x 1 with Groove
Trans-Brown · ×18
3710 Plate 1 x 4
Dark Tan · ×18
11477 Slope Curved 2 x 1 No Studs [1/2 Bow]
Dark Tan · ×16
10201 Bracket 1 x 2 - 1 x 4 [Rounded Corners]
Light Bluish Gray · ×12
11477 Slope Curved 2 x 1 No Studs [1/2 Bow]
Tan · ×12
3070b Tile 1 x 1 with Groove
Dark Tan · ×12
3023 Plate 1 x 2
Dark Tan · ×10
3035 Plate 4 x 8
Light Bluish Gray · ×10
3623 Plate 1 x 3
Tan · ×10
3023 Plate 1 x 2
Trans-Brown · ×9
3710 Plate 1 x 4
Light Bluish Gray · ×9
54200 Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Tan · ×9
2357 Brick 2 x 2 Corner
Tan · ×8
87079 Tile 2 x 4 with Groove
Dark Bluish Gray · ×8
87087 Brick Special 1 x 1 with Stud on 1 Side
Light Bluish Gray · ×7

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