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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.

Borkum Riffgrund 1

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4002015 Borkum Riffgrund 1

559 pieces in 157 part and color combinations.

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

Light Bluish Gray 106 pieces

  • Bracket 2 x 2 - 2 x 2 Light Bluish Gray Part 3956 Element 6254807 or 6019212 ×4
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Light Bluish Gray Part 6091 Element 6285778 or 4211519 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Bluish Gray Part 11477 Element 6028813 ×4
  • Brick Curved 2 x 2 x 2/3 Light Bluish Gray Part 15068 Element 6102357 ×17
  • Brick Curved 4 x 1 Double, No Studs Light Bluish Gray Part 93273 Element 4622803 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Bluish Gray Part 3040b Element 4211614 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Light Bluish Gray Part 87087 Element 4558953 ×4
  • Brick Special 1 x 2 with Pin Light Bluish Gray Part 2458 Element 4211364 ×2
  • Equipment Hose Nozzle / Gun with Side String Hole Simplified Light Bluish Gray Part 60849 Element 6641461 or 4515897 1 spare in the box ×2
  • Panel 1 x 2 x 2 [Side Supports / Hollow Studs] Light Bluish Gray Part 87552 Element 4593679 ×2
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×4
  • Plate 1 x 8 Light Bluish Gray Part 3460 Element 4211425 ×2
  • Plate 2 x 12 Light Bluish Gray Part 2445 Element 4211360 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×4
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×2
  • Plate 4 x 6 Light Bluish Gray Part 3032 Element 4211404 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Light Bluish Gray Part 61252 Element 6335378 or 4541978 ×2
  • String Reel 2 x 1 x 2 Drum with Axle Hole Light Bluish Gray Part 61510 Element 4521532 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×3
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×1
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×1
  • Technic Axle and Pin Connector Perpendicular Split Light Bluish Gray Part 92907 Element 6279023 or 4630114 ×3
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Light Bluish Gray Part 60483 Element 6265089 or 6004888 ×2
  • Technic Beam 1 x 3 Thin Light Bluish Gray Part 6632 Element 6360043 or 4211566 ×2
  • Technic Brick 1 x 10 [9 Pin Holes] Light Bluish Gray Part 2730 Element 4211374 ×4
  • Technic Brick 1 x 4 [3 Pin Holes] Light Bluish Gray Part 3701 Element 4211441 ×6
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 ×3
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×3
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×1
  • Technic Turntable Small Top Light Bluish Gray Part 99009 Element 4652235 ×1
  • Technic Worm Gear Light Bluish Gray Part 4716 Element 4211510 ×2
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 2 spares in the box ×5
  • Tile 1 x 3 Light Bluish Gray Part 63864 Element 4558169 ×4
  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Light Bluish Gray Part 90194 Element 6170521 or 4594243 ×2
  • Wedge Plate 4 x 2 Left Light Bluish Gray Part 41770 Element 4211735 ×2
  • Wedge Plate 4 x 2 Right Light Bluish Gray Part 41769 Element 4211732 ×2

White 106 pieces

  • Bar 3L White Part 87994 Element 6552205 or 6428803 1 spare in the box ×2
  • Bracket 1 x 2 - 1 x 2 Inverted White Part 99780 Element 6548278 or 6070698 ×2
  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×3
  • Brick Round 2 x 2 Truncated Cone White Part 98100 Element 6609536 or 4649167 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side White Part 30414 Element 6550167 or 4143254 ×7
  • Panel 1 x 2 x 1 [Rounded Corners] White Part 4865b Element 6552161 or 6146215 ×2
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×4
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×8
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×6
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×2
  • Plate Round 1 x 1 with Open Stud White Part 85861 Element 6168642 or 4547649 1 spare in the box ×3
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] White Part 60897 Element 6330191 or 4613256 ×16
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) White Part 15573 Element 6550152 or 6051511 ×3
  • Plate Special 1 x 2 with Door Rail White Part 32028 Element 6550168 or 4249563 ×2
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes White Part 92593 Element 4597131 ×2
  • Plate Special 2 x 16 with Angled Side Extensions and Hole (Rotor Blade) White Part 62743 Element 6608362 or 6141858 ×3
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] White Part 10247 Element 6552149 or 6061024 ×7
  • Support 2 x 2 x 11 Solid Pillar White Part 75347 Element 4100331 ×2
  • Technic Beam 1 x 4 Thin White Part 32449 Element 6360072 or 4144138 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] White Part 3700 Element 6619284 or 370001 ×4
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×10
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×5
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×3
  • Weapon Lightsaber Hilt with Bottom Ring White Part 64567 Element 6615554 or 6040333 1 spare in the box ×1
  • Wedge Plate 4 x 4 with 2 x 2 Cutout White Part 43719 Element 6275403 or 4561038 ×2

Black 70 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×4
  • Plate 1 x 12 Black Part 60479 Element 4514845 ×8
  • Plate 1 x 4 Black Part 3710 Element 371026 ×4
  • Plate 1 x 6 Black Part 3666 Element 366626 ×4
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×4
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×2
  • Propeller 3 Blades 5 Diameter, Pin Hole Black Part 92842 Element 6360206 or 4599984 ×1
  • String Cord Thin (0.5mm) 50cm Black Part 56823c50 Element 6530026 or 6489925 ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×5
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×4
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 ×4
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×3
  • Technic Gear Rack 1 x 4 Black Part 3743 Element 6457282 or 4205760 ×16
  • Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Black Part 87082 Element 4560174 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×6
  • Technic Turntable Small Base, 28 Tooth Black Part 99010 Element 6326620 or 4652236 ×1
  • Tile Special Round 2 x 2 - Thick Lifting Ring Black Part 74698 Element 6010831 ×1

Blue 70 pieces

  • Bracket 1 x 2 - 2 x 2 Blue Part 44728 Element 6117968 or 6037412 ×2
  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Blue Part 11477 Element 6055065 ×4
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Blue Part 11153 Element 6580398 or 6045938 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Blue Part 3040b Element 4121936 or 304023 ×2
  • Brick Sloped Inverted 45° 2 x 1 Blue Part 3665 Element 366523 ×2
  • Brick Wedged, Sloped 4 x 2 Triple Left Blue Part 43710 Element 4622180 or 4180410 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Blue Part 43711 Element 4622179 or 4180420 ×1
  • Plate 1 x 1 Blue Part 3024 Element 302423 1 spare in the box ×6
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×14
  • Plate 2 x 10 Blue Part 3832 Element 383223 ×4
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×8
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×3
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×5
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×5
  • Tile 1 x 6 with Groove Blue Part 6636 Element 4118785 or 4108153 ×6
  • Wedge Plate 3 x 2 Left Blue Part 43723 Element 4498156 or 4280150 ×1
  • Wedge Plate 3 x 2 Right Blue Part 43722 Element 4498155 or 4280149 ×1

Dark Bluish Gray 68 pieces

  • Brick Arch 1 x 4 Dark Bluish Gray Part 3659 Element 4210999 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Bluish Gray Part 3660 Element 4211000 ×4
  • Brick Special 1 x 1 Studs on 4 Sides Dark Bluish Gray Part 4733 Element 4210700 ×1
  • Equipment Zip Line Handle Dark Bluish Gray Part 30229 Element 4211081 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×3
  • Plate 4 x 8 Dark Bluish Gray Part 3035 Element 4211061 ×3
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×12
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Dark Bluish Gray Part 92593 Element 4598769 ×6
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Bluish Gray Part 87580 Element 6126083 or 4565322 ×2
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Dark Bluish Gray Part 18674 Element 6115080 ×1
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×1
  • Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray Part 59443 Element 6084613 or 4516546 ×5
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Dark Bluish Gray Part 11214 Element 6015356 ×2
  • Technic Beam 1 x 3 Thick Dark Bluish Gray Part 32523 Element 32523199 or 4210751 ×1
  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 ×2
  • Technic Gear 8 Tooth [Reinforced] Dark Bluish Gray Part 10928 Element 6631413 or 6012451 ×8
  • Technic Pin Connector Round 1L [Beam] Dark Bluish Gray Part 18654 Element 6100030 2 spares in the box ×9
  • Tile Special 1 x 1 with Clip with Rounded Edges Dark Bluish Gray Part 15712 Element 6344022 or 6071226 ×1

Green 29 pieces

  • Brick 1 x 2 Green Part 3004 Element 4107736 or 300428 ×10
  • Brick Sloped 30° 1 x 2 x 2/3 Green Part 85984 Element 6000071 ×6
  • Plate 1 x 6 Green Part 3666 Element 366628 ×1
  • Plate 2 x 2 Green Part 3022 Element 302228 ×2
  • Tile 1 x 2 with Groove Green Part 3069b Element 306928 ×3
  • Tile 1 x 4 with Groove Green Part 2431 Element 243128 ×3
  • Tile 2 x 4 with Groove Green Part 87079 Element 4566179 ×4

Yellow 26 pieces

  • Brick Round 2 x 2 with Axle Hole Yellow Part 3941 Element 614324 or 394124 ×1
  • Crane Harbor Derrick 16 with Double Attachment Yellow Part 59807 Element 6160907 or 6103993 ×2
  • Plate Round 4 x 4 with Pin Hole Yellow Part 60474 Element 4515349 ×1
  • Plate Special 1 x 2 with Door Rail Yellow Part 32028 Element 4141630 ×4
  • Technic Axle 9 Yellow Part 60485 Element 6130010 ×1
  • Technic Beam 1 x 9 Bent (7 - 3) Thick Yellow Part 32271 Element 6276838 or 4544005 ×1
  • Technic Beam 3 x 5 L-Shape Thick Yellow Part 32526 Element 4144022 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Yellow Part 32064a Element 6206240 or 4233484 ×1
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 2 spares in the box ×7
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×2
  • Tile Special 1 x 2 with Handle Yellow Part 2432 Element 243224 ×4

Trans-Clear 20 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 1 spare in the box ×18
  • Tile Special Round 1 x 1 with Hollow Bar Trans-Clear Part 20482 Element 6507895 or 6186867 1 spare in the box ×2

Dark Blue 17 pieces

  • Plate 2 x 4 Dark Blue Part 3020 Element 6554194 or 4667595 ×4
  • Plate 4 x 6 Dark Blue Part 3032 Element 6037887 or 4252314 ×4
  • Plate 6 x 6 Dark Blue Part 3958 Element 6106692 or 4251992 ×1
  • Plate Round Corner 4 x 4 Dark Blue Part 30565 Element 6023154 or 4506996 ×8

Red 14 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Red Part 87087 Element 4558886 ×2
  • Equipment Lifeguard Float Red Part 90395 Element 6209797 or 6062533 ×2
  • Technic Axle 4 Red Part 3705 Element 6129995 or 4265797 ×6
  • Technic Axle 8 Red Part 3707 Element 6130004 ×4

Trans-Brown 14 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Brown Part 54200 Element 6245263 or 4244368 2 spares in the box ×14

Bright Light Orange 12 pieces

  • Plate 1 x 1 Bright Light Orange Part 3024 Element 6073040 or 6028740 1 spare in the box ×5
  • Plate Round 4 x 4 with 2 x 2 Round Opening Bright Light Orange Part 11833 Element 6167802 or 6097037 ×1
  • Plate Special 1 x 1 with Tooth Bright Light Orange Part 49668 Element 4282860 ×6

Tan 3 pieces

  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×1
  • Technic Pin 3/4 Tan Part 32002 Element 6663097 or 6013938 1 spare in the box ×2

Dark Tan 2 pieces

  • Technic Axle 5 with Stop Dark Tan Part 15462 Element 6055631 ×2

Flat Silver 1 piece

  • Technic Axle and Pin Connector, Perpendicular with Extension Flat Silver Part 53586 Element 6395637 or 6323657 ×1

Orange 1 piece

  • Brick and Axle Separator v2.0 Orange Part 96874 Element 6240515 or 4654448 ×1

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

When a piece really is missing

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