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LEGO Missing Piece Checker

Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Space Station Zenon

Checking

1793 Space Station Zenon

334 pieces in 131 part and color combinations, plus 3 minifigures.

LEGO counts 346 pieces. This inventory comes from a separate parts catalog and lists 352, including the 18 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

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Piece checklist

Black 155 pieces

  • Antenna 1 x 4 with Rounded Top Black Part 3957a ×1
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Black Part 2436 Element 4282746 or 243626 ×1
  • Bracket 3 x 2 - 2 x 2 [aka Space Seat] Black Part 4598 Element 6021678 or 459826 ×1
  • Brick 1 x 1 Black Part 3005 Element 300526 ×4
  • Brick 1 x 2 Black Part 3004 Element 300426 ×3
  • Brick 1 x 4 Black Part 3010 Element 301026 ×3
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×2
  • Brick 2 x 2 Corner Black Part 2357 Element 235776 or 235726 ×2
  • Brick 2 x 3 Black Part 3002 Element 300226 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×2
  • Brick Round 1 x 1 with Fins, Open Stud Black Part 4588 Element 6039178 or 4246931 ×2
  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×9
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×2
  • Brick Sloped 45° 2 x 2 with Horizon Screen Print Black Part 3039pr9973 Element 4240154 or 82056 ×2
  • Brick Sloped 45° 2 x 2 with Spyrius Droid Image Print Black Part 3039pr9968 ×1
  • Brick Sloped 45° 2 x 3 Black Part 3038 Element 303826 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Black Part 4460a ×2
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Black Part 3747a ×1
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×8
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×1
  • Brick Sloped Inverted 75° 2 x 1 x 3 Black Part 2449 Element 4636202 or 4561789 ×8
  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×2
  • Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°] Black Part 4285b Element 6603362 or 4509865 ×2
  • Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders] Black Part 3475b Element 347526 ×2
  • Hinge Bar 2.5L with 2 and 3 Fingers on Ends (Pantograph Shoe Holder) Black Part 2923 Element 292326 ×3
  • Hinge Bar with 3 Fingers and End Stud (Control Lever) Black Part 2433 Element 4497182 or 243326 ×1
  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×3
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Black Part 4275b Element 427526 ×1
  • Hinge Plate 2 x 4 - Female (Digger Bucket Holder) Black Part 3597 Element 4187208 or 359726 ×1
  • Hinge Plate 2 x 4 - Male (Digger Bucket Holder) Black Part 3315 Element 4187207 or 331526 ×1
  • Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Black Part 4531 Element 453126 ×8
  • Hinge Vehicle Roof Holder 1 x 4 Black Part 4315 Element 4250225 or 431576 ×1
  • Panel 1 x 2 x 3 - Solid Studs Black Part 2362a Element 4113027 ×4
  • Panel 1 x 4 x 3 [Hollow Studs] Black Part 4215b Element 4105207 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×3
  • Plate 1 x 4 Black Part 3710 Element 371026 ×3
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×7
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 4 x 8 Black Part 3035 Element 303526 ×1
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 ×4
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Black Part 3794a ×1
  • Plate Special 1 x 2 with Long Stud Receptacle (Space Wing) Black Part 4596 Element 459626 ×1
  • Plate Special 1 x 4 with Towball Black Part 3184 Element 4516020 or 4189102 ×2
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×3
  • Tile 1 x 2 with Blue Screen, Red and Silver Panel Print Black Part 3069bpr0040 Element 82058 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×3
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×4
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×4
  • Tile Round 2 x 2 with Bottom Cross Black Part 4150 Element 415076 or 415026 ×2
  • Tile Special 1 x 1 with Clip and Straight Tips Black Part 2555 Element 255526 ×2
  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×4
  • Turntable 4 x 4 Square Base Black Part 3403 Element 340326 ×2
  • Turntable 4 x 4 Top Black Part 3404 Element 4221659 or 340426 ×2
  • Wedge Plate 3 x 4 without Stud Notches Black Part 4859 ×1
  • Wedge Plate 3 x 6 Cut Corners Black Part 2419 Element 241926 ×1
  • Wheel Hard Plastic Small (22mm D. x 24mm) Black Part 6118 Element 4106928 or 611876 ×4

Light Gray 97 pieces

  • Baseplate 32 x 32 Light Gray Part 3811 Element 4221067 or 4155361 ×1
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Light Gray Part 2436 Element 4282741 or 243602 ×1
  • Brick 1 x 1 Light Gray Part 3005 Element 300502 ×2
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×4
  • Brick 1 x 4 Light Gray Part 3010 Element 301002 ×1
  • Brick 2 x 2 Light Gray Part 3003 Element 4103591 or 300352 ×2
  • Brick 2 x 2 Corner Light Gray Part 2357 Element 235752 or 235702 ×1
  • Brick 2 x 4 Light Gray Part 3001 Element 4116259 or 300102 ×1
  • Brick Round 1 x 1 Open Stud Light Gray Part 3062b Element 306202 ×4
  • Brick Sloped 33° 3 x 1 Light Gray Part 4286 Element 428602 ×2
  • Brick Sloped 45° 2 x 2 Light Gray Part 3039 Element 303902 ×1
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Light Gray Part 4460a Element 446002 ×2
  • Brick Sloped 75° 2 x 2 x 3 [Hollow Studs] Light Gray Part 3684 Element 4248057 or 4143978 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Gray Part 3665 Element 366502 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Light Gray Part 3660 Element 366002 ×3
  • Brick Sloped Inverted 75° 2 x 1 x 3 Light Gray Part 2449 Element 4160952 or 244952 ×6
  • Brick Special 1 x 2 with Pin Light Gray Part 2458 Element 245802 ×2
  • Cone 1 x 1 [No Top Groove] Light Gray Part 4589 Element 458902 ×1
  • Cone 2 x 2 x 2, Open Stud Light Gray Part 3942c Element 394252 or 394202 ×1
  • Dish 2 x 2 Inverted [Radar] Light Gray Part 4740 Element 474002 ×2
  • Hinge Brick 1 x 2 Top Plate Thin Light Gray Part 3938 Element 393802 ×3
  • Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs Light Gray Part 4276b Element 427602 ×1
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Light Gray Part 4275b Element 427502 ×4
  • Hinge Plate 1 x 6 with 2 and 3 Fingers On Sides Light Gray Part 4507 Element 450702 ×1
  • Panel 1 x 4 x 3 [Hollow Studs] Light Gray Part 4215b Element 4186671 or 4105203 ×2
  • Plate 1 x 10 Light Gray Part 4477 Element 447702 ×1
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×7
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×4
  • Plate 1 x 6 Light Gray Part 3666 Element 366602 ×1
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×1
  • Plate 2 x 3 Light Gray Part 3021 Element 302102 ×1
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×2
  • Plate 2 x 6 Light Gray Part 3795 Element 379502 ×2
  • Plate 2 x 8 Light Gray Part 3034 Element 303402 ×1
  • Plate Special 1 x 4 Offset with Bar Holes Light Gray Part 4590 Element 4248161 or 4114067 ×3
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×4
  • Tile 1 x 1 with Groove Light Gray Part 3070b Element 307052 or 307002 ×1
  • Tile 1 x 2 with Groove Light Gray Part 3069b Element 306902 ×4
  • Tile 1 x 4 with Groove Light Gray Part 2431 Element 243102 ×5
  • Tile Special 1 x 2 Grille with Bottom Groove Light Gray Part 2412b Element 241202 ×2
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×4
  • Wedge Plate 10 x 10 with 4x4 Cutout and Cut Corner Light Gray Part 2401 Element 4159228 ×1
  • Wedge Plate 3 x 4 without Stud Notches Light Gray Part 4859 ×1

Blue 40 pieces

  • Bracket 8 x 2 x 1 1/3 Blue Part 4732 Element 473223 ×1
  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×2
  • Brick Sloped 33° 3 x 2 Blue Part 3298 Element 6294307 or 6141996 ×1
  • Brick Sloped 45° 2 x 2 Blue Part 3039 Element 303923 ×5
  • Brick Sloped 75° 2 x 2 x 3 Double Convex Blue Part 3685 Element 6417950 or 6184480 ×5
  • Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders] Blue Part 3475b Element 347523 ×2
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Blue Part 4275b Element 4239024 or 427523 ×4
  • Hinge Plate 2 x 5 with Large Hole [Complete Assembly] Blue Part 3149bc01 Element 4106944 ×2
  • Panel 1 x 2 x 1 [Square Corners] Blue Part 4865a Element 486523 ×2
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×3
  • Plate 2 x 10 Blue Part 3832 Element 383223 ×1
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×2
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×6
  • Plate Special 2 x 2 with Towball Blue Part 3729 Element 372923 ×1
  • Wedge Plate 3 x 4 without Stud Notches Blue Part 4859 ×1
  • Wedge Plate 8 x 8 with 3 x 4 Cutout Blue Part 6104 Element 610423 ×1

Trans-Neon Green 26 pieces

  • Antenna 8H Whip Trans-Neon Green Part 2569 Element 6265159 or 6164380 ×7
  • Cone 1 x 1 [No Top Groove] Trans-Neon Green Part 4589 Element 618849 or 458949 ×11
  • Dish 2 x 2 Inverted [Radar] Trans-Neon Green Part 4740 Element 6245297 or 4112517 ×3
  • Plate Round 1 x 1 with Solid Stud Trans-Neon Green Part 6141 Element 6240223 or 3005749 ×5

Trans-Dark Blue 14 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Dark Blue Part 4589 Element 618843 ×6
  • Panel 10 x 10 x 12 Quarter Dome Trans-Dark Blue Part 2409 Element 240943 ×1
  • Panel 3 x 2 x 5 2/3 Trans-Dark Blue Part 2448 ×2
  • Panel 3 x 2 x 6 Trans-Dark Blue Part 2466 Element 4109865 or 246643 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 ×3
  • Windscreen 10 x 4 x 2 1/3 Canopy Trans-Dark Blue Part 2507 Element 250793 or 250743 ×1

Dark Gray 2 pieces

  • Rock Panel Triangular 3 x 8 x 7 Dark Gray Part 6083 Element 608327 ×2

Minifigures 3 figures

  • Unitron Minifigure, checked as a whole figure ×2
  • Unitron Chief Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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