BlockTalk Find Your Set

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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.

Giant Lego Topic Set

Checking

9452 Giant Lego Topic Set

2,195 pieces in 134 part and color combinations.

LEGO counts 2,165 pieces. This inventory comes from a separate parts catalog and lists 2,195; 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.

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Piece checklist

Bricks 1,104 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×54
  • Brick 1 x 1 x 5 with Blocked Open or Hollow Stud Red Part 2453a Element 4160953 or 245321 ×6
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×54
  • Brick 1 x 3 Red Part 3622 Element 362221 ×54
  • Brick 1 x 4 Red Part 3010 Element 301021 ×126
  • Brick 1 x 6 Red Part 3009 Element 300921 ×72
  • Brick 1 x 8 Red Part 3008 Element 300821 ×30
  • Brick 2 x 10 Red Part 3006 Element 4617857 or 300621 ×10
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×30
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×28
  • Brick 2 x 4 Red Part 3001 Element 300121 ×54
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×10
  • Brick 1 x 2 Trans-Clear Part 3004 Element 4256587 or 300410 ×30
  • Brick 1 x 4 Trans-Clear Part 3010 Element 4256588 or 4227529 ×18
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×54
  • Brick 1 x 1 x 5 with Blocked Open or Hollow Stud Yellow Part 2453a Element 4200767 or 245324 ×6
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×54
  • Brick 1 x 3 Yellow Part 3622 Element 362224 ×54
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×126
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×72
  • Brick 1 x 8 Yellow Part 3008 Element 300824 ×30
  • Brick 2 x 10 Yellow Part 3006 Element 6119276 or 6073100 ×10
  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×30
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×28
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×54
  • Brick 2 x 8 Yellow Part 3007 Element 4639693 or 300724 ×10

Bricks Sloped 224 pieces

  • Brick Sloped 33° 2 x 2 Double Red Part 3300 Element 330021 ×16
  • Brick Sloped 33° 2 x 4 Double Red Part 3299 Element 329921 ×16
  • Brick Sloped 33° 3 x 2 Red Part 3298 Element 329821 ×30
  • Brick Sloped 33° 3 x 4 Red Part 3297 Element 329721 ×30
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×12
  • Brick Sloped 45° 2 x 2 Red Part 3039 Element 303921 ×12
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Red Part 3747a Element 374721 ×12
  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×12
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×12
  • Brick Sloped 45° 2 x 2 Trans-Clear Part 3039 Element 6514100 or 6244886 ×12
  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×12
  • Brick Sloped 45° 2 x 2 Yellow Part 3039 Element 303924 ×12
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Yellow Part 3747a ×12
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×12
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Yellow Part 3660 Element 366024 ×12

Plates 192 pieces

  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×24
  • Plate 1 x 6 Light Gray Part 3666 Element 366602 ×12
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×18
  • Plate 2 x 10 Light Gray Part 3832 Element 383202 ×12
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×18
  • Plate 2 x 3 Light Gray Part 3021 Element 302102 ×18
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×24
  • Plate 2 x 6 Light Gray Part 3795 Element 379502 ×6
  • Plate 2 x 8 Light Gray Part 3034 Element 303402 ×12
  • Plate 4 x 10 Light Gray Part 3030 Element 303052 or 303002 ×6
  • Plate 4 x 4 Light Gray Part 3031 Element 4243813 or 303102 ×6
  • Plate 4 x 6 Light Gray Part 3032 Element 303202 ×6
  • Plate 4 x 8 Light Gray Part 3035 Element 303502 ×6
  • Plate 6 x 12 Light Gray Part 3028 Element 302802 ×6
  • Plate 6 x 16 Light Gray Part 3027 Element 4160991 or 302702 ×6
  • Plate 6 x 8 Light Gray Part 3036 Element 303652 or 303602 ×12

Technic Bricks 102 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×30
  • Technic Brick 1 x 16 [15 Pin Holes] Red Part 3703 Element 370321 ×12
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×36
  • Technic Brick 1 x 6 [5 Pin Holes] Red Part 3894 Element 389421 ×12
  • Technic Brick 1 x 8 [7 Pin Holes] Red Part 3702 Element 370221 ×12

Wheels and Tyres 86 pieces

  • Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside Black Part 7049bc01 ×6
  • Tyre 30 x 10.5 Offset Tread Black Part 2346 Element 234676 or 234626 ×16
  • Tyre 43 x 17 Black Part 3634 Element 4523564 or 363426 ×12
  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×12
  • Wheel with Split Axle hole Light Gray Part 3482 Element 348202 ×28
  • Wheel Old with 4 Studs Red Part 7039 Element 7039 ×12

Hinges, Arms and Turntables 84 pieces

  • Hinge Brick 1 x 2 Base Light Gray Part 3937 Element 393702 ×6
  • Hinge Brick 1 x 2 Top Plate Thin Light Gray Part 3938 Element 393802 ×6
  • Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs Light Gray Part 4276b Element 427602 ×6
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Light Gray Part 4275b Element 427502 ×6
  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Light Gray Part 73983 Element 74066 ×4
  • Hinge Plate 1 x 6 with 2 and 3 Fingers On Ends Light Gray Part 4504 Element 450402 ×6
  • Hinge Plate 1 x 6 with 2 and 3 Fingers On Sides Light Gray Part 4507 Element 450702 ×3
  • Hinge Plate 2 x 4 with Articulated Joint - Female Light Gray Part 3640 Element 364002 ×3
  • Hinge Plate 2 x 4 with Articulated Joint - Male Light Gray Part 3639 Element 363902 ×3
  • Hinge Plate 2 x 5 with Large Hole [Complete Assembly] Light Gray Part 3149bc01 Element 4106905 or 74814 ×6
  • Hinge Plate 2 x 9 with Hole Close to Hinge [Complete Assembly] Light Gray Part 3324ac01 Element 4106906 ×3
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×9
  • Turntable 2 x 2 Plate with Hinge, Base [3 Fingers] Red Part 251 Element 450821 ×3
  • Turntable 4 x 4 Square Base Red Part 3403 Element 340321 ×3
  • Turntable 4 x 4 Top Red Part 3404 Element 4221660 or 340421 ×3
  • Hinge Brick 1 x 4 [Lower] Yellow Part 3831 Element 6137916 or 4241119 ×4
  • Hinge Brick 1 x 4 [Upper] Yellow Part 3830 Element 6137910 or 4241117 ×4
  • Turntable 2 x 2 Plate, Base Yellow Part 3680 Element 4667211 or 4597261 ×6

Technic Pins 84 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×30
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×54

Bricks Round and Cones 72 pieces

  • Brick Round 1 x 1 Open Stud Light Gray Part 3062b Element 306202 ×24
  • Brick Round 2 x 2 with Axle Hole Light Gray Part 3941 Element 614302 or 394102 ×24
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch Yellow Part 3063b Element 306324 ×24

Windows and Doors 38 pieces

  • Glass for Window 1 x 4 x 5 Trans-Clear Part 2494 Element 4114269 or 249440 ×10
  • Door 1 x 4 x 5 with 4 Panes, Squared Base White Part 3861b Element 4160992 or 386101 ×6
  • Window 1 x 2 x 2 Classic, Short Lip [with Glass] White Part 3081c01 Element 73594 ×12
  • Window 1 x 4 x 5 with Hollow Studs White Part 2493b Element 4248216 or 4160994 ×10

Plants & Trees 30 pieces

  • Plant, Flower - Small Blue Part 3742 ×8
  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 ×6
  • Plant, Flower - Small Red Part 3742 ×8
  • Plant, Flower - Small White Part 3742 ×8

Technic Axles 30 pieces

  • Technic Axle 8 Black Part 3707 Element 370726 ×30

Bricks Curved 24 pieces

  • Brick Arch 1 x 4 Red Part 3659 Element 365921 ×6
  • Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside Red Part 3307 Element 330721 ×6
  • Brick Arch 1 x 4 Yellow Part 3659 Element 6310246 or 4280126 ×6
  • Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside Yellow Part 3307 Element 330724 ×6

Panels 24 pieces

  • Panel 1 x 2 x 2 [Solid Studs] Trans-Clear Part 4864a Element 626840 ×24

Plates Special 18 pieces

  • Bracket 2 x 2 - 2 x 2 Light Gray Part 3956 Element 395602 ×6
  • Plate Special 1 x 4 with Towball Red Part 3184 Element 318421 ×3
  • Plate Special 1 x 4 with Towball Socket, Long, 2 Slots Red Part 3183a ×3
  • Technic Plate 2 x 4 [3 Holes] Red Part 3709 Element 370921 ×6

Minifig Heads 12 pieces

  • Minifig Head Standard Grin Print [Solid Stud] Yellow Part 3626apr0001 ×12

Minifig Headwear 12 pieces

  • Hair Center Parting Black Part 4530 Element 4659663 or 453026 ×2
  • Hair Smooth Black Part 3901 Element 390176 or 390126 ×2
  • Hair Center Parting Brown Part 4530 Element 453025 ×2
  • Hair Smooth Brown Part 3901 Element 390175 or 390125 ×2
  • Hair Center Parting Red Part 4530 Element 453021 ×2
  • Cap, Police Style White Part 3624 Element 362451 or 362401 ×2

Minifig Lower Body 12 pieces

  • Hips and Black Legs Black Part 970c03 Element 4569093 or 73407 ×3
  • Hips and Blue Legs Blue Part 970c28 Element 6006026 or 4583501 ×3
  • Hips and Red Legs Red Part 970c22 Element 6006024 or 4582576 ×3
  • Hips and White Legs White Part 970c27 Element 6551364 or 4570434 ×3

Minifig Upper Body 12 pieces

  • Torso, Black Arms, Yellow Hands [Plain] Black Part 973c03h01 Element 6070974 or 4502268 ×4
  • Torso, Blue Arms, Yellow Hands [Plain] Blue Part 973c28h01 Element 4275815 or 73837 ×4
  • Torso, White Arms, Yellow Hands [Plain] White Part 973c27h01 Element 6038496 or 4275461 ×4

Baseplates 6 pieces

  • Baseplate 16 x 32 Green Part 3857 Element 4219615 or 274828 ×3
  • Baseplate 16 x 32 Light Gray Part 3857 Element 4219612 or 274802 ×3

Transportation - Sea and Air 6 pieces

  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Light Gray Part 2479 Element 247902 ×6

Windscreens and Fuselage 6 pieces

  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×3
  • Windscreen 2 x 4 x 2 Vertical Trans-Clear Part 4594 Element 6507908 or 6240532 ×3

String, Bands and Reels 4 pieces

  • String Cord Thin (0.5mm) [Undetermined Length] Black Part 56823 Element 7009426 ×1
  • String Reel Winch 2 x 4 x 2 (Light Gray Drum) Yellow Part 73037 Element 4109856 ×3

Tools 4 pieces

  • Brick Separator v1.0 Dark Gray Part 6007 Element 600727 ×4

Bricks Special 3 pieces

  • Brick Special 1 x 2 with Pin Yellow Part 2458 Element 245824 ×3

Supports, Girders and Cranes 3 pieces

  • Hook, Plate 1 x 2 with Crane Hook Left Light Gray Part 3127 Element 312702 ×3

Tiles Special 3 pieces

  • Tile Special 2 x 2 with Top Pin Red Part 2460 Element 246021 ×3

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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