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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.

Roaring Power

Checking

31024 Roaring Power

374 pieces in 103 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

Red 136 pieces

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×4
  • Brick 1 x 3 Red Part 3622 Element 362221 ×2
  • Brick 1 x 4 Red Part 3010 Element 301021 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Red Part 6091 Element 6184782 or 609121 ×8
  • Brick Curved 1 x 4 x 1 1/3 No Studs Red Part 10314 Element 6083618 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Red Part 11477 Element 6029946 ×2
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Red Part 11153 Element 6583512 or 6045937 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Red Part 54200 Element 5074621 or 4504379 1 spare in the box ×12
  • Brick Sloped 33° 3 x 1 Red Part 4286 Element 428621 ×4
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Red Part 15672 Element 6053011 or 4603263 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Red Part 3747b Element 4500462 ×2
  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Red Part 87087 Element 4558886 ×12
  • Brick Wedged, Curved 3 x 4 x 2/3 Cutout Red Part 11291 Element 6179656 or 6016772 ×2
  • Brick Wedged, Sloped 4 x 2 Triple Left Red Part 43710 Element 6431121 or 6293751 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Red Part 43711 Element 6431123 or 6293750 ×1
  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Red Part 73983 Element 6102786 or 74230 ×4
  • Plate 1 x 10 Red Part 4477 Element 447721 ×4
  • Plate 1 x 2 Red Part 3023 Element 302321 ×6
  • Plate 1 x 4 Red Part 3710 Element 371021 ×7
  • Plate 2 x 4 Red Part 3020 Element 302021 ×5
  • Plate 2 x 6 Red Part 3795 Element 379521 ×3
  • Plate 6 x 8 Red Part 3036 Element 303671 or 303621 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Red Part 3794b Element 379421 ×6
  • Plate Special 1 x 2 with Door Rail Red Part 32028 Element 4612575 or 4239063 ×2
  • Technic Beam 1 x 2 Thick Red Part 43857 Element 4185664 ×2
  • Tile 1 x 1 with Groove Red Part 3070b Element 307021 1 spare in the box ×10
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×6
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×4
  • Wedge Plate 3 x 3 Cut Corner Red Part 2450 Element 245021 ×2
  • Wedge Plate 4 x 2 Left Red Part 41770 Element 4161329 ×4
  • Wedge Plate 4 x 2 Right Red Part 41769 Element 4160866 ×4

Black 91 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Black Part 48729b Element 6278152 or 6037347 1 spare in the box ×1
  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Plate 1 x 10 Black Part 4477 Element 447726 ×1
  • Plate 1 x 3 Black Part 3623 Element 362326 ×10
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 1 x 6 Black Part 3666 Element 366626 ×8
  • Plate 2 x 16 Black Part 4282 Element 428276 or 428226 ×2
  • Plate 2 x 3 Black Part 3021 Element 302126 ×7
  • Plate 2 x 4 Black Part 3020 Element 302026 ×3
  • Plate 2 x 6 Black Part 3795 Element 379526 ×5
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×8
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×4
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×2
  • Steering Wheel Small, 2 x 2 [Reinforced] Black Part 16091 Element 6057397 ×1
  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×4
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×4
  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Black Part 32124 Element 6280168 or 4114689 ×4
  • Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction Black Part 47455 Element 4272426 or 4213374 ×3
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×4
  • Tyre 30.4 x 14 VR Solid Black Part 58090 Element 6601610 or 4550937 ×4
  • Wedge Plate 3 x 3 Cut Corner Black Part 2450 Element 4227684 or 245026 ×2
  • Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes Black Part 55982 Element 4517737 ×4

White 44 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] White Part 11477 Element 6552145 or 6548276 ×6
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top White Part 30383 Element 6265695 or 4262011 ×4
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth White Part 44302a Element 4183048 ×6
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×6
  • Plate Special 1 x 1 with Tooth White Part 49668 Element 6601935 or 4224792 ×8
  • Plate Special 1 x 2 with Door Rail White Part 32028 Element 6550168 or 4249563 ×4
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×4
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×4
  • Tile 1 x 6 with Groove White Part 6636 Element 6548296 or 663601 ×2

Tan 34 pieces

  • Brick 2 x 3 Tan Part 3002 Element 4159739 or 300205 ×1
  • Brick Sloped Inverted 45° 2 x 1 Tan Part 3665 Element 4159196 or 366505 ×2
  • Brick Special 1 x 2 with 2 Studs on 1 Side Tan Part 11211 Element 6024495 ×6
  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 ×8
  • Plate 1 x 8 Tan Part 3460 Element 4114324 or 346005 ×4
  • Plate 2 x 2 Tan Part 3022 Element 4114084 or 302205 ×5
  • Plate 2 x 2 Corner Tan Part 2420 Element 4114077 or 242005 ×4
  • Plate 2 x 4 Tan Part 3020 Element 4114309 or 302005 ×2
  • Plate 2 x 6 Tan Part 3795 Element 4113993 or 379505 ×2

Light Bluish Gray 22 pieces

  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×4
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Light Bluish Gray Part 60478 Element 4515369 ×2
  • Technic Brick 1 x 14 [13 Pin Holes] Light Bluish Gray Part 32018 Element 4211705 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Light Bluish Gray Part 3700 Element 4211440 ×8
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×4

Dark Bluish Gray 20 pieces

  • Brick Special 1 x 4 with 4 Studs on One Side Dark Bluish Gray Part 30414 Element 4210725 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Dark Bluish Gray Part 44301b Element 6266225 ×2
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×1
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×4
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Dark Bluish Gray Part 11214 Element 6015356 ×2
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Vertical Side] Dark Bluish Gray Part 48171 Element 6492115 or 6343337 ×3
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Socket Dark Bluish Gray Part 48169 Element 6278974 or 4225973 ×3

Trans-Orange 6 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 1 spare in the box ×2
  • Plate 1 x 1 Trans-Orange Part 3024 Element 6513961 or 6252040 1 spare in the box ×4

Trans-Brown 5 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Brown Part 3065 Element 6514267 or 6244909 ×3
  • Windscreen 3 x 4 x 1 1/3 Large Glass Surface Trans-Brown Part 57783 Element 6507931 or 6247359 ×2

Flat Silver 4 pieces

  • Wheel Cover 9 Spoke - 24mm D. Flat Silver Part 62701 Element 4617460 ×4

Trans-Neon Green 4 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Neon Green Part 54200 Element 6245280 or 6076751 1 spare in the box ×2
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Neon Green Part 41669 Element 4163577 ×2

Blue 2 pieces

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

Trans-Clear 2 pieces

  • Plate 1 x 2 Trans-Clear Part 3023 Element 6514001 or 6240204 ×2

Trans-Light Blue 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 1 spare in the box ×2

Trans-Red 2 pieces

  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Red Part 41669 Element 4163567 ×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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