Cloud City (10123-1) is a Ultimate Collector Series LEGO set released in 2003 with 707 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Ultimate Collector Series sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 7 minifigures and 184 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2003 (23 years ago — may be retired)
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Catalog scale
707 parts listed · 184 inventory lines tracked
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Minifigures
7 in this set's inventory — verify completeness when buying used
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~1,339 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Cloud City
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Han Solo, Black Vest, Yellow Skin, Brown Legs×1 -
Darth Vader, Light Gray Skin×1 -
Stormtrooper, Plain Yellow Head, Black Hips×1 -
Boba Fett, Helmet and Jetpack, Light Gray Armor, Printed Legs×1 -
Lando Calrissian, Yellow and Blue Cape (3626b Head)×1 -
Luke Skywalker, Cloud City Outfit, Yellow Skin, Tan Shirt×1 -
Princess Leia, Cloud City Outfit, Yellow Skin, Dark Orange Shirt×1
Parts in this set
184 parts · page 1 of 4 · updating…
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Antenna 1 x 4 with Rounded Top3957a · ×2 · Light Gray -
Antenna 1 x 4 with Rounded Top3957a · ×8 · Trans-Neon Orange -
Bar 1 x 8 with Brick 1 x 2 Curved Top End (Axle Holder Inside Small End)30359b · ×2 · Black -
Bar 1 x 8 with Brick 1 x 2 Curved Top End (Axle Holder Inside Small End)30359b · ×1 · Dark Gray -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Trans-Light Blue -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Trans-Red -
Bracket 1 x 2 - 2 x 244728 · ×4 · Light Gray -
Brick 1 x 13005 · ×12 · Dark Gray -
Brick 1 x 1 x 5 with Blocked Open or Hollow Stud2453a · ×2 · Light Gray -
Brick 1 x 106111 · ×2 · Light Gray -
Brick 1 x 106111 · ×4 · Dark Gray -
Brick 1 x 126112 · ×2 · Black -
Brick 1 x 23004 · ×10 · Black -
Brick 1 x 23004 · ×3 · White -
Brick 1 x 23004 · ×4 · Light Gray -
Brick 1 x 23004 · ×1 · Dark Gray -
Brick 1 x 2 without Bottom Tube3065 · ×2 · Trans-Clear -
Brick 1 x 2 x 2 with Inside Axle Holder3245b · ×2 · Light Gray -
Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges2454a · ×17 · Dark Gray -
Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Han Solo in Carbonite Print2454apr0003 · ×1 · Black -
Brick 1 x 33622 · ×4 · Light Gray -
Brick 1 x 33622 · ×2 · Black -
Brick 1 x 43010 · ×2 · Black -
Brick 1 x 43010 · ×6 · Dark Gray -
Brick 1 x 4 without Bottom Tubes3066 · ×4 · Trans-Neon Orange -
Brick 1 x 63009 · ×4 · White -
Brick 1 x 63009 · ×1 · Dark Gray -
Brick 1 x 6 x 53754 · ×1 · Black -
Brick 2 x 23003 · ×6 · Dark Gray -
Brick 2 x 23003 · ×5 · White -
Brick 2 x 23003 · ×9 · Black -
Brick 2 x 2 Corner2357 · ×2 · White -
Brick 2 x 2 Corner2357 · ×2 · Light Gray -
Brick 2 x 33002 · ×1 · Black -
Brick 2 x 43001 · ×2 · White -
Brick 2 x 43001 · ×7 · Black -
Brick 2 x 43001 · ×5 · Light Gray -
Brick 2 x 62456 · ×2 · Black -
Brick 2 x 83007 · ×2 · Dark Gray -
Brick 2 x 83007 · ×14 · Black -
Brick 4 x 62356 · ×7 · Light Gray -
Brick 8 x 164204 · ×5 · Dark Gray -
Brick 8 x 84201 · ×1 · Dark Gray -
Brick Arch 1 x 43659 · ×6 · Dark Gray -
Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside3307 · ×1 · Dark Gray -
Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside3307 · ×1 · Tan -
Brick Arch 1 x 8 x 23308 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×8 · Trans-Neon Green