Free tool

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.

Sonic the Hedgehog

Checking

40627 Sonic the Hedgehog

139 pieces in 48 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

Plates 43 pieces

  • Plate 6 x 6 Black Part 3958 Element 395826 ×1
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×12
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×2
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×4
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Plate 4 x 4 Blue Part 3031 Element 4243815 or 303123 ×6
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×2
  • Plate 2 x 2 Tan Part 3022 Element 4114084 or 302205 ×4
  • Plate 2 x 3 Tan Part 3021 Element 4118790 or 302105 ×3
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2

Bricks Wedged 16 pieces

  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Blue Part 29120 Element 6172414 ×8
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Blue Part 29119 Element 6172411 ×8

Bricks Special 15 pieces

  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Bright Light Yellow Part 22885 Element 6316264 ×14
  • Brick Special 1 x 2 Palisade [aka Log] White Part 30136 Element 6552148 or 6059185 ×1

Plates Special 14 pieces

  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Black Part 41740 Element 6254045 ×1
  • Bracket 1 x 1 - 1 x 1 Inverted Blue Part 36840 Element 6307926 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Blue Part 15573 Element 6092582 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Tan Part 15573 Element 6092587 ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side White Part 11476 Element 6313115 or 6070712 ×2
  • Plate Special Round 1 x 2 Half Circle with Stud (Jumper) White Part 1745 Element 6510064 or 6462354 ×4
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version Yellow Part 4304 Element 6469455 ×1
  • Plate Special, 1 x 1 Stud with 3 x 3 Ring on Top Yellow Part 3917 Element 6508325 or 6441692 ×1

Bricks Curved 13 pieces

  • Brick Arch 1 x 4 Blue Part 3659 Element 6320045 or 4239050 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Blue Part 11477 Element 6055065 ×8
  • Brick Curved 3 x 1 No Studs Blue Part 50950 Element 4543998 ×2
  • Brick Curved 4 x 2 No Studs Blue Part 93606 Element 6429287 or 6173943 ×1
  • Brick Curved 2 x 2, Two Top Studs Tan Part 30165 Element 6174929 or 4113230 ×1

Tiles 12 pieces

  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×1
  • Tile 1 x 1 with Groove Blue Part 3070b Element 4206330 or 307073 1 spare in the box ×6
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 2 with Groove Tan Part 3069b Element 4114026 ×2

Bricks Sloped 10 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Blue Part 54200 Element 4504380 or 4296154 1 spare in the box ×2
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Blue Part 15571 Element 6249783 or 6179332 ×2
  • Brick Sloped 45° 2 x 2 Double Convex Blue Part 3045 Element 6439889 or 6234158 ×4
  • Brick Sloped Inverted 45° 2 x 1 Blue Part 3665 Element 366523 ×2

Bricks 6 pieces

  • Brick 1 x 1 Blue Part 3005 Element 300523 ×2
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×1
  • Brick 2 x 2 Bright Pink Part 3003 Element 4550359 or 4245307 ×1
  • Brick 2 x 2 Green Part 3003 Element 300328 ×2

Tiles Round and Curved 6 pieces

  • Tile Round 1 x 1 with Brickheadz Eye, White Squares, Black Circle Print Bright Green Part 98138pr0338 Element 6455628 1 spare in the box ×2
  • Tile Round 1 x 1 Quarter Tan Part 25269 Element 6145570 1 spare in the box ×4

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Yellow Part 4032a Element 403224 ×1

Tiles Special 2 pieces

  • Tile Special 2 x 2 Corner with Cut Corner - Facet White Part 27263 Element 6615527 or 6168612 ×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.