Building Systems (40505-1) is a LEGO Exclusive LEGO set released in 2024 with 1,211 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 271 unique part types.
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Parts in this set
271 parts · page 1 of 6 · updating…
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![Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]](https://cdn.rebrickable.com/media/parts/elements/6439050.jpg)
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]3484 · ×1 · Blue -
Bar 2L with Stop in Center78258 · ×2 · Red -
Bar 3L87994 · ×1 · Black -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Reddish Brown -
Bar, Angled with 1 x 1 Round Plate / Stud on End65578 · ×1 · Light Bluish Gray -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×5 · Yellow -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×2 · Black -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×1 · Dark Bluish Gray -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×3 · Blue -
Bracket 1 x 1 - 1 x 279389 · ×4 · White -
Bracket 1 x 1 - 1 x 2 Inverted73825 · ×1 · Yellow -
Bracket 1 x 2 - 1 x 299781 · ×1 · Blue -
Brick 1 x 13005 · ×4 · White -
Brick 1 x 23004 · ×40 · Dark Bluish Gray -
Brick 1 x 23004 · ×1 · Red -
Brick 1 x 33622 · ×7 · Dark Bluish Gray -
Brick 1 x 43010 · ×71 · Dark Bluish Gray -
Brick 1 x 43010 · ×1 · Red -
Brick 2 x 23003 · ×1 · Yellow -
Brick 2 x 23003 · ×5 · Dark Bluish Gray -
Brick 2 x 23003 · ×2 · Blue -
Brick 2 x 2 Corner2357 · ×9 · Dark Bluish Gray -
Brick 2 x 43001 · ×7 · Dark Bluish Gray -
Brick 2 x 43001 · ×1 · Red -
Brick 2 x 43001 · ×2 · Yellow -
Brick 2 x 62456 · ×5 · Dark Bluish Gray -
Brick and Axle Separator v2.096874 · ×1 · Orange -
Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports18838 · ×4 · Dark Bluish Gray -
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs49307 · ×2 · Red -
Brick Curved 1 x 2 x 1 No Studs37352 · ×2 · White -
Brick Curved 2 x 2, Two Top Studs30165 · ×1 · Blue -
Brick Round 1 x 1 Open Stud3062b · ×2 · Blue -
Brick Round 1 x 1 Open Stud3062b · ×1 · Yellow -
Brick Round 1 x 1 Open Stud3062b · ×1 · Light Bluish Gray -
![Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]](https://cdn.rebrickable.com/media/parts/elements/4567448.jpg)
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]85080 · ×1 · Light Bluish Gray -
Brick Special 1 x 1 Studs on 4 Sides4733 · ×1 · Reddish Brown -
Brick Special 1 x 1 with Headlight4070 · ×1 · Blue -
Brick Special 1 x 1 with Headlight4070 · ×6 · White -
Brick Special 1 x 1 with Headlight4070 · ×14 · Red -
Brick Special 1 x 1 with Headlight4070 · ×1 · Dark Red -
Brick Special 1 x 1 with Headlight4070 · ×2 · Yellow -
Brick Special 1 x 2 with Groove4216 · ×9 · White -
Brick Special 1 x 2 with Pin - Bottom Stud Holder44865 · ×2 · Red -
Brick Special 1 x 2 x 2/3 with Studs on Sides4595 · ×1 · Black -
![Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/elements/6411591.jpg)
Cone 1 x 1 [Top Groove]59900 · ×3 · Dark Green -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4239191.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×1 · Green -
Equipment Hose Nozzle / Gun with Side String Hole Simplified60849 · ×1 · Light Bluish Gray -
Hose Rigid 3mm D. 18L / 14.4cm75c18 · ×2 · Black