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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.

Sunset Speeder

Checking

31017 Sunset Speeder

119 pieces in 51 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

Orange 27 pieces

  • Brick 1 x 3 Orange Part 3622 Element 4118787 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Orange Part 11477 Element 6055069 ×2
  • Brick Curved 3 x 1 No Studs Orange Part 50950 Element 4251969 ×4
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Orange Part 61409 Element 6167615 or 6035764 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Orange Part 54200 Element 4504371 or 4248195 1 spare in the box ×2
  • Brick Sloped 33° 3 x 2 Orange Part 3298 Element 4121742 ×2
  • Brick Sloped Inverted 45° 2 x 1 Orange Part 3665 Element 4616279 or 4515954 ×4
  • Plate 1 x 4 Orange Part 3710 Element 4118782 ×2
  • Plate 2 x 3 Orange Part 3021 Element 4125278 ×2
  • Plate 2 x 4 Orange Part 3020 Element 4158355 or 4122468 ×4
  • Plate 2 x 6 Orange Part 3795 Element 4121741 ×1

Black 22 pieces

  • Bracket 1 x 2 - 2 x 4 Black Part 93274 Element 6118829 or 4616245 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×1
  • Plate 1 x 8 Black Part 3460 Element 346026 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 2 x 8 Black Part 3034 Element 303426 ×2
  • Steering Wheel Small, 2 x 2 [Reinforced] Black Part 16091 Element 6057397 ×1
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×2
  • Tyre Offset Tread with Center Band 23 x 7 Black Part 61254 Element 4541455 ×4

Light Bluish Gray 17 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Light Bluish Gray Part 48729b Element 6278156 or 4542590 1 spare in the box ×1
  • Brick 2 x 4 Light Bluish Gray Part 3001 Element 4211385 ×1
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×3
  • Technic Brick 1 x 12 [11 Pin Holes] Light Bluish Gray Part 3895 Element 4211860 ×2
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4
  • Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring Light Bluish Gray Part 13971 Element 6359807 or 6044729 ×4

Dark Bluish Gray 15 pieces

  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×3
  • Plate 1 x 6 Dark Bluish Gray Part 3666 Element 4211056 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×2
  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 1 spare in the box ×6
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2

White 12 pieces

  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] White Part 11477 Element 6552145 or 6548276 ×2
  • Brick Special 1 x 2 with Pin White Part 2458 Element 4160228 or 245801 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×4
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×2

Yellow 10 pieces

  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 1 spare in the box ×6
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×4

Tan 7 pieces

  • Brick Special 1 x 2 Palisade [aka Log] Tan Part 30136 Element 4218749 or 4114053 ×2
  • Plate 2 x 3 Tan Part 3021 Element 4118790 or 302105 ×3
  • Plate 2 x 6 Tan Part 3795 Element 4113993 or 379505 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Tan Part 2540 Element 4140593 or 4125271 ×1

Trans-Brown 3 pieces

  • Brick Sloped 33° 3 x 6 No Inner Walls Trans-Brown Part 58181 Element 6274668 or 6230116 ×1
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Brown Part 41669 Element 6052989 or 4543608 ×2

Blue 2 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2

Trans-Orange 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×2

Trans-Red 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×2

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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