LEGO 40505
Building Systems

LEGO 40505 Building Systems box image
Set number
40505
Theme
LEGO Exclusive
Pieces
1,211 pcs
Year
2024
Used & parts
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“Building Systems” is LEGO® “LEGO Exclusive” theme set number 40505. Released in 2024, it has 1,211 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 271 types

Color split (most first)
Dark Bluish Gray×305
Black×177
Red×149
Yellow×137
Blue×119
Light Bluish Gray×105
White×94
Green×38
Trans-Clear×17
Pearl Gold×16
Dark Green×14
Flat Silver×11
Main parts (most used first)
3010 Brick 1 x 4
Dark Bluish Gray · ×71
3069b Tile 1 x 2 with Groove
Black · ×50
3068b Tile 2 x 2 with Groove
Black · ×44
3004 Brick 1 x 2
Dark Bluish Gray · ×40
3068b Tile 2 x 2 with Groove
Yellow · ×30
3024 Plate 1 x 1
White · ×28
3068b Tile 2 x 2 with Groove
Blue · ×26
3070bpr0213 Tile 1 x 1 with White Lines/Stripes print
Light Bluish Gray · ×19
3069b Tile 1 x 2 with Groove
Dark Bluish Gray · ×17
11212 Plate 3 x 3
Dark Bluish Gray · ×16
3029 Plate 4 x 12
Black · ×16
63864 Tile 1 x 3
Light Bluish Gray · ×15
3673 Technic Pin without Friction Ridges Lengthwise
Yellow · ×14
4070 Brick Special 1 x 1 with Headlight
Red · ×14
42610 Wheel 11 x 8 with Center Groove
Red · ×14
15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Light Bluish Gray · ×14
15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Dark Bluish Gray · ×13
87580 Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Dark Bluish Gray · ×13
3023 Plate 1 x 2
Dark Bluish Gray · ×12
3024 Plate 1 x 1
Trans-Clear · ×12
60479 Plate 1 x 12
Dark Bluish Gray · ×12
6541 Technic Brick 1 x 1 with Pin Hole
Blue · ×12
73230 Technic Brick 1 x 1 with Axle Hole
Dark Bluish Gray · ×12
11253 Sports Roller Skate
Flat Silver · ×11

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