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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.

SP-Striker

Checking

6781 SP-Striker

218 pieces in 87 part and color combinations, plus 2 minifigures.

The official piece count includes the 12 parts inside the set's minifigures, which this inventory lists separately. 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.

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Piece checklist

Plates 61 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×3
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 12 Black Part 2445 Element 244526 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 3 Black Part 3021 Element 302126 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate 6 x 8 Black Part 3036 Element 303676 or 303626 ×1
  • Plate 1 x 1 Blue Part 3024 Element 302423 ×2
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×12
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×2
  • Plate 1 x 8 Blue Part 3460 Element 346023 ×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 ×6
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×5
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×2
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×6

Tiles 22 pieces

  • Tile 1 x 2 with Arrow Long Red with Silver Border Print Black Part 3069bpr0024 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×5
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×6
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×4
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×2
  • Tile 1 x 2 with Space Computer Print Blue Part 3069bpr0039 ×1
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 ×2

Bricks Sloped 19 pieces

  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×2
  • Brick Sloped 33° 3 x 2 with 'POLICE' Print (Space Police I) Black Part 3298pr0013 ×1
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×2
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Black Part 3747a ×1
  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper Black Part 4287a ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×4
  • Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed Black Part 4854 Element 4643321 or 4603490 ×2
  • Brick Sloped 45° 2 x 2 Blue Part 3039 Element 303923 ×2
  • Brick Sloped 45° 2 x 2 with Computer Screen Print Blue Part 3039pr0026 Element 4190885 ×1
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Blue Part 3747a Element 4500460 or 374723 ×1
  • Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed Blue Part 4854 Element 4296467 or 4140621 ×1

Plates Wedged 17 pieces

  • Wedge Plate 3 x 3 Cut Corner Black Part 2450 Element 4227684 or 245026 ×8
  • Wedge Plate 3 x 4 without Stud Notches Black Part 4859 ×1
  • Wedge Plate 3 x 6 Cut Corners Black Part 2419 Element 241926 ×2
  • Wedge Plate 8 x 4 Wing Right without Stud Notch Black Part 3934a ×3
  • Wedge, Plate 8 x 4 Wing Left without Underside Stud Notch Black Part 3933a ×3

Bricks 16 pieces

  • Brick 1 x 16 Black Part 2465 Element 246576 or 246526 ×1
  • Brick 1 x 2 Black Part 3004 Element 300426 ×7
  • Brick 1 x 6 Black Part 3009 Element 300926 ×2
  • Brick 1 x 8 Black Part 3008 Element 300826 ×2
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×2
  • Brick 1 x 6 with No Bottom Tubes Trans-Red Part 3067 Element 306741 ×2

Hinges, Arms and Turntables 15 pieces

  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×2
  • Hinge Vehicle Roof Holder 1 x 4 Black Part 4315 Element 4250225 or 431576 ×1
  • Hinge Brick 1 x 2 Top Plate Thin Blue Part 3938 Element 4279389 or 393823 ×2
  • Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs Blue Part 4276b Element 4238854 or 4114247 ×4
  • Hinge Plate 1 x 2 with 3 Fingers On Side Blue Part 2452 Element 4239013 or 4112883 ×4
  • Hinge Tile 1 x 4 Blue Part 4625 Element 462523 ×1
  • Slope 45° 4 x 4 Double with Hinge Blue Part 4857 Element 485723 ×1

Plates Round Curved and Dishes 14 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 ×2
  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 ×2
  • Dish 2 x 2 Inverted [Radar] Trans-Red Part 4740 Element 6580377 or 6245303 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×8

Electronics 12 pieces

  • Battery Box, 9V Small [Complete Assembly] Black Part 4760c01 Element 4109849 ×1
  • Plate 1 x 2 with Electric Contacts Black Part 4755 ×4
  • Plate 2 x 4 with Electric Contacts Black Part 4757 Element 475726 or 74346 ×2
  • Light Brick 1 x 2 [Single Bulb] White Part 4767 Element 73666 ×1
  • Light Brick 1 x 4 [Two Bulbs] White Part 4771 ×1
  • Light Brick 1 x 8 [3 Prisms] White Part 2500c01 Element 74339 ×2
  • Light Brick Slope 45° 2 x 2 with Computer Console Print [Complete Assembly] White Part 905c01pr0001 ×1

Bars, Ladders and Fences 9 pieces

  • Bar 1 x 6 [Open Studs] Black Part 4873 ×1
  • Antenna 1 x 4 with Rounded Top Blue Part 3957a Element 395723 ×2
  • Antenna 1 x 4 with Rounded Top Trans-Red Part 3957a Element 6065498 or 4106520 ×6

Plates Special 7 pieces

  • 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 with Bar Up [Horizontal Arm 6mm] Black Part 4623 Element 4597267 or 462326 ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Black Part 3839b Element 383926 ×1
  • Plate Special 1 x 4 Offset with Bar Holes Black Part 4590 Element 6002559 or 4278029 ×2

Bricks Special 6 pieces

  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×6

Panels 6 pieces

  • Panel 1 x 2 x 3 with Space Police I Left Print Black Part 2362apr0001 ×1
  • Panel 1 x 2 x 3 with Space Police I Right Print Black Part 2362apr0002 ×1
  • Panel 1 x 2 x 1 [Square Corners] Blue Part 4865a Element 486523 ×4

Tiles Special 6 pieces

  • Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×2
  • Tile Special 1 x 2 Grille without Bottom Groove Blue Part 2412a ×4

Minifig Shields, Weapons, & Tools 2 pieces

  • Weapon Gun / Torch (Space) [with Grooves] Black Part 3959 Element 4254942 or 395976 ×2

Windows and Doors 2 pieces

  • Window 1 x 4 x 3 Train with All Studs Hollow Blue Part 4033 Element 4141273 ×1
  • Glass for Window 1 x 4 x 3 Trans-Red Part 3855 ×1

Windscreens and Fuselage 2 pieces

  • Windscreen 10 x 4 x 2 1/3 Canopy Trans-Red Part 2507 ×1
  • Windscreen 4 x 4 x 2 Canopy Extender, Hinge Trans-Red Part 2337 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Sloped Inverted 6 x 4 with 2 Stud Connections Blue Part 4856a Element 6148173 or 4258400 ×1

Transportation - Sea and Air 1 piece

  • Tail 4 x 2 x 2 Black Part 3479 Element 347976 or 347926 ×1

Minifigures 2 figures

  • Space Police I Minifigure, checked as a whole figure ×1
  • Blacktron I (3626a Head) Minifigure, checked as a whole figure ×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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