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Building Systems

Snapshot

vs RRP
+25% over
Per piece
6.7¢

Value per piece

cost per part at each reference

6.7¢lowest market value

about 19% under retail, which runs ~8.3¢ a piece

Reference

MSRP8.3¢
Used market6.7¢
New market10¢
Set

Building Systems

Reference
40505-1
Theme
LEGO Exclusive
Year
2024
Parts
1,211
EAN
5702017597126

Building Systems is a LEGO set from the LEGO LEGO Exclusive theme released in 2024. It is built from 1,211 pieces.

New avg$125.00Used avg$81.25MSRP$99.99

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

See full valuation & price history →Track its value free →
Value history$125.00▼ -$5.58 (-4.3%)all time
$92$106$120retail $99.99
Jul 6New · used (dashed)Jul 23

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Parts in this set (332)

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A peek at the pile. See the full list, grouped by color, on the parts page.

Bar 3L1×Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]1×Brick Sloped Double 45° 1 x 12×Brick Special 1 x 2 x 2/3 with Studs on Sides1×Sports Roller Skate3×Weapon Harpoon [Smooth Shaft]1×Plate 1 x 111×Plate 1 x 126×Plate 1 x 44×Plate 16 x 161×Plate 2 x 61×Plate 2 x 81×Plate 4 x 1216×Plate 8 x 161×View all 332 →