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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Universal School Set

Checking

9453 Universal School Set

699 pieces in 98 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 272 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×16
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×18
  • Brick 1 x 3 Red Part 3622 Element 362221 ×18
  • Brick 1 x 4 Red Part 3010 Element 301021 ×42
  • Brick 1 x 6 Red Part 3009 Element 300921 ×24
  • Brick 1 x 8 Red Part 3008 Element 300821 ×8
  • Brick 2 x 10 Red Part 3006 Element 4617857 or 300621 ×5
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×4
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×4
  • Brick 2 x 4 Red Part 3001 Element 300121 ×18
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×4
  • Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside Red Part 3307 Element 330721 ×3
  • Brick Sloped 33° 2 x 2 Double Red Part 3300 Element 330021 ×4
  • Brick Sloped 33° 2 x 4 Double Red Part 3299 Element 329921 ×8
  • Brick Sloped 33° 3 x 2 Red Part 3298 Element 329821 ×4
  • Brick Sloped 33° 3 x 4 Red Part 3297 Element 329721 ×12
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×16
  • Brick Sloped 45° 2 x 2 Red Part 3039 Element 303921 ×4
  • Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin Red Part 3747a Element 374721 ×2
  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×14
  • Hat / Cap Long Peak [Plain] Red Part 4485 Element 448521 ×2
  • Hips and Red Legs Red Part 970c22 Element 6006024 or 4582576 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×12
  • Technic Brick 1 x 8 [7 Pin Holes] Red Part 3702 Element 370221 ×6
  • Tile Special 2 x 2 with Top Pin Red Part 2460 Element 246021 ×2
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Red Part 3403c01 Element 4221665 or 4143678 ×2
  • Wheel Freestyle with 2 x 2 Studs and Pin Hole Red Part 6248 Element 4144357 or 624821 ×14

Yellow 211 pieces

  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×12
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×18
  • Brick 1 x 3 Yellow Part 3622 Element 362224 ×18
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×42
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×24
  • Brick 1 x 8 Yellow Part 3008 Element 300824 ×8
  • Brick 2 x 10 Yellow Part 3006 Element 6119276 or 6073100 ×5
  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×4
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×4
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×18
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch Yellow Part 3063b Element 306324 ×8
  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×4
  • 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 ×8
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×8
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Yellow Part 3660 Element 366024 ×8
  • Brick Special 1 x 2 with Pin Yellow Part 2458 Element 245824 ×2
  • Minifig Head Biggs Darklighter / Soccer Player, Moustache Pointed with Standard Grin Print Yellow Part 3626bpr0005 Element 6020409 ×2
  • Minifig Head, Black Sunglasses and Standard Grin Print [Blocked Open Stud] Yellow Part 3626bpr0006 ×2
  • Minifig Head, Standard with Red Lips, Eyelashes Print [Blocked Open Stud] Yellow Part 3626bpr0004 ×4

Light Gray 121 pieces

  • Baseplate 16 x 32 Light Gray Part 3857 Element 4219612 or 274802 ×1
  • Brick Round 1 x 1 Open Stud Light Gray Part 3062b Element 306202 ×10
  • Brick Round 2 x 2 with Axle Hole Light Gray Part 3941 Element 614302 or 394102 ×8
  • Hinge Brick 1 x 2 Base Light Gray Part 3937 Element 393702 ×2
  • Hinge Brick 1 x 2 Top Plate Thin Light Gray Part 3938 Element 393802 ×2
  • 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 ×6
  • Hinge Plate 2 x 4 with Articulated Joint - Female Light Gray Part 3640 Element 364002 ×2
  • Hinge Plate 2 x 4 with Articulated Joint - Male Light Gray Part 3639 Element 363902 ×2
  • 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 in between 4 Studs Light Gray Part 3324bc01 ×2
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×8
  • Plate 1 x 6 Light Gray Part 3666 Element 366602 ×4
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×8
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×6
  • Plate 2 x 3 Light Gray Part 3021 Element 302102 ×6
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×8
  • Plate 2 x 6 Light Gray Part 3795 Element 379502 ×4
  • Plate 2 x 8 Light Gray Part 3034 Element 303402 ×6
  • Plate 4 x 4 Light Gray Part 3031 Element 4243813 or 303102 ×2
  • Plate 4 x 6 Light Gray Part 3032 Element 303202 ×4
  • Plate 4 x 8 Light Gray Part 3035 Element 303502 ×4
  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Light Gray Part 2479 Element 247902 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×6

Black 38 pieces

  • Brick 2 x 4 Black Part 3001 Element 300126 ×4
  • Hair Ponytail Black Part 6093 Element 609376 or 609326 ×2
  • Hair Smooth Black Part 3901 Element 390176 or 390126 ×2
  • Hips and Black Legs Black Part 970c03 Element 4569093 or 73407 ×2
  • Technic Axle 8 Black Part 3707 Element 370726 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×10
  • Tyre 43 x 17 Black Part 3634 Element 4523564 or 363426 ×2
  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×12

Dark Gray 18 pieces

  • Brick Separator v1.0 Dark Gray Part 6007 Element 600727 ×2
  • Brick Special 2 x 2 with 2 Pins and Axle Hole Dark Gray Part 30000 Element 3000027 ×8
  • Brick Special 2 x 4 with Pins Dark Gray Part 6249 Element 4143669 or 4100411 ×8

Trans-Clear 16 pieces

  • Brick Sloped 45° 2 x 2 Trans-Clear Part 3039 Element 6514100 or 6244886 ×6
  • Panel 1 x 2 x 2 [Hollow Studs] Trans-Clear Part 4864b Element 4113028 ×8
  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×2

White 12 pieces

  • Hips and White Legs White Part 970c27 Element 6551364 or 4570434 ×2
  • Torso, Sailboat with Sunset Print, Yellow Arms and Hands White Part 973c01h01pr1204 Element 4275606 ×2
  • Torso, Shirt with Pockets Print, White Arms, Yellow Hands White Part 973c27h01pr0018 Element 4111920 ×2
  • Torso, Tank Top, Palm Tree and Dolphin Print, Yellow Arms and Hands White Part 973c01h01pr0034 ×2
  • Window 1 x 2 x 2 Classic, Short Lip [with Glass] White Part 3081c01 Element 73594 ×4

Blue 6 pieces

  • Hat / Cap Long Peak [Plain] Blue Part 4485 Element 448523 ×2
  • Hips and Blue Legs Blue Part 970c28 Element 6006026 or 4583501 ×2
  • Torso, Jacket with Zipper and 3 Pockets Print, Blue Arms, Yellow Hands Blue Part 973c28h01pr1245 Element 4288269 ×2

Brown 4 pieces

  • Hair Ponytail Brown Part 6093 Element 609375 or 609325 ×2
  • Hair Smooth Brown Part 3901 Element 390175 or 390125 ×2

Green 1 piece

  • Baseplate 16 x 32 Green Part 3857 Element 4219615 or 274828 ×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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