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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.

Desert Challenge

Checking

8126 Desert Challenge

147 pieces in 78 part and color combinations.

LEGO counts 144 pieces. This inventory comes from a separate parts catalog and lists 147; 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Plates 26 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 6 Black Part 3795 Element 379526 ×2
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×1
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×3
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×2
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Plate 4 x 4 Blue Part 3031 Element 4243815 or 303123 ×1
  • Plate 6 x 6 Red Part 3958 Element 4144302 ×2
  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 ×2
  • Plate 2 x 3 Tan Part 3021 Element 4118790 or 302105 ×1
  • Plate 2 x 4 Tan Part 3020 Element 4114309 or 302005 ×1
  • Plate 4 x 6 Tan Part 3032 Element 4114001 ×4
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×1

Plates Special 16 pieces

  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Bracket 1 x 2 - 2 x 2 Blue Part 44728 Element 6117968 or 6037412 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Blue Part 2540 Element 4140586 or 254023 ×2
  • Plate Special 2 x 2 with Wheels Holder Wide Light Bluish Gray Part 6157 Element 4211569 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Red Part 2444 Element 244421 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] White Part 48336 Element 6552125 or 4222017 ×1
  • Plate Special 1 x 2 with Door Rail White Part 32028 Element 6550168 or 4249563 ×1
  • Plate Special 2 x 2 with Wheels Holder Wide White Part 6157 Element 4206209 ×2

Wheels and Tyres 16 pieces

  • Tyre 21 x 12 with Offset Tread Small Wide Black Part 6015 Element 601526 ×8
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin Light Bluish Gray Part 6014b Element 4211764 ×4
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin White Part 6014b Element 4170457 ×4

Technic Pins 12 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×6
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×4

Plates Round Curved and Dishes 11 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×1
  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 1 spare in the box ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 2 spares in the box Also in Yellow ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 1 spare in the box Also in Trans-Yellow ×2

Tiles 9 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1
  • Tile 1 x 4 with Groove Blue Part 2431 Element 243123 ×1
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×2
  • Tile 1 x 6 with Groove Tan Part 6636 Element 4157277 or 4108151 ×4
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×1

Bricks Curved 8 pieces

  • Brick Curved 2 x 2 No Studs - 3 Recessed Side Ports Black Part 44675 Element 6021752 or 4185272 ×2
  • Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×2
  • Brick Curved 2 x 2 with Lip, No Studs Blue Part 30602 Element 4171849 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Blue Part 47457 Element 4496366 ×1
  • Brick Curved 2 x 4 x 1 1/3 Blue Part 6081 Element 6427428 or 6303712 ×1

Tiles Special 8 pieces

  • Tile Special 1 x 1 with Clip and Straight Tips Blue Part 2555 Element 6031421 or 4500613 ×2
  • Tile Special 1 x 1 with Clip and Straight Tips White Part 2555 Element 255501 ×4
  • Tile Special 1 x 2 Grille with Bottom Groove White Part 2412b Element 6601902 or 241201 ×2

Technic Connectors 6 pieces

  • Technic Axle Connector Smooth [with x Hole + Orientation] Light Bluish Gray Part 59443 Element 4512360 ×2
  • Technic Axle and Pin Connector Angled #1 Red Part 32013 Element 6332580 or 4254606 ×2
  • Technic Axle and Pin Connector Angled #6 - 90° Red Part 32014 Element 6268922 or 4189131 ×2

Bars, Ladders and Fences 4 pieces

  • Bar 6L with Stop Ring Light Bluish Gray Part 63965 Element 6170418 or 6081975 ×2
  • Antenna 1 x 4 with Rounded Top White Part 3957a ×2

Flags, Banners and Signs 4 pieces

  • Flag 2 x 2 Square [Thin Clips] Red Part 2335 Element 4523404 or 4162384 ×2
  • Flag 2 x 2 Square [Thin Clips] White Part 2335 Element 4523403 or 233551 ×1
  • Road Sign Clip-on 2 x 2 Round White Part 30261 Element 6317571 or 4116816 ×1

Plants & Trees 4 pieces

  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 1 spare in the box ×4

Technic Axles 4 pieces

  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×2
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×2

Animal / Creature Body Parts 2 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small White Part 53451 Element 6270106 or 4568387 1 spare in the box ×2

Bricks Sloped 2 pieces

  • Brick Sloped 45° 2 x 4 Black Part 3037 Element 303726 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×1

Containers 2 pieces

  • Box / Case, Fold-Out Race Track 34 x 42 Dark Bluish Gray Part 86501 Element 4550694 ×1
  • Container Lid for Part 86501 Red Part 64700 ×1

Plates Wedged 2 pieces

  • Wedge Plate 4 x 2 Left Black Part 41770 Element 4161332 ×1
  • Wedge Plate 4 x 2 Right Black Part 41769 Element 4160869 ×1

Stickers 2 pieces

  • Sticker Sheet 1 for Set 8126-1 [No Color/Any Color] Part 64980 Element 4540231 ×1
  • Sticker Sheet 2 for Set 8126-1 [No Color/Any Color] Part 64981 Element 4540233 ×1

Transportation - Land 2 pieces

  • Grille / Spoiler with 1 x 2 Plate, 2 x 2 Anti-studs (Racers Car) Blue Part 50949 Element 4527976 or 4278073 ×1
  • Mudguard 2 x 4 with Molded Headlights Blue Part 44674 Element 6207380 or 4527367 ×1

Bricks 1 piece

  • Brick 2 x 6 Black Part 2456 Element 4181144 or 245626 ×1

Bricks Round and Cones 1 piece

  • Brick Round 2 x 2 with Axle Hole White Part 3941 Element 6601920 or 614351 ×1

Bricks Special 1 piece

  • Brick Special 1 x 2 with Handle Black Part 30236 Element 4288212 or 4113243 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Curved 4 x 3 Recessed Back with Opening, Two Studs [Plain] Black Part 50948 Element 4541482 or 4248537 ×1

Hinges, Arms and Turntables 1 piece

  • Hinge 1 x 3 Locking with 2 Fingers and Claw End, 9 Teeth Light Bluish Gray Part 41529 Element 4211726 ×1

Technic Bricks 1 piece

  • Technic Brick 1 x 12 [11 Pin Holes] Red Part 3895 Element 389521 ×1

Tiles Round and Curved 1 piece

  • Tile Round 2 x 2 with Bottom Cross Black Part 4150 Element 415076 or 415026 ×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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