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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.

Main Street

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6390 Main Street

576 pieces in 140 part and color combinations, plus 8 minifigures.

LEGO counts 591 pieces. This inventory comes from a separate parts catalog and lists 608, including the 32 parts inside the minifigures; 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Red 145 pieces

  • Bar 1 x 4 x 2 with Studs Red Part 4083 Element 6001207 or 4550383 ×3
  • Brick 1 x 1 Red Part 3005 Element 300521 ×23
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×16
  • Brick 1 x 3 Red Part 3622 Element 362221 ×20
  • Brick 1 x 4 Red Part 3010 Element 301021 ×4
  • Brick 1 x 6 Red Part 3009 Element 300921 ×6
  • Brick 1 x 8 Red Part 3008 Element 300821 ×10
  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×4
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×2
  • Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside Red Part 3307 Element 330721 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×4
  • Brick Special 1 x 1 with Headlight Red Part 4070 Element 407021 ×3
  • Door 1 x 3 x 1 Left Red Part 3822 Element 4288209 or 4188202 ×1
  • Door 1 x 3 x 1 Right Red Part 3821 Element 4537986 or 4288208 ×1
  • Plant, Flower - Small Red Part 3742 1 spare in the box ×3
  • Plate 1 x 2 Red Part 3023 Element 302321 ×6
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 1 x 4 Red Part 3710 Element 371021 ×9
  • Plate 1 x 8 Red Part 3460 Element 346021 ×2
  • Plate 2 x 10 Red Part 3832 Element 383221 ×1
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Plate 2 x 4 Red Part 3020 Element 302021 ×3
  • Plate 2 x 6 Red Part 3795 Element 379521 ×1
  • Plate 4 x 4 Red Part 3031 Element 4243814 or 303121 ×1
  • Plate 4 x 8 Red Part 3035 Element 303521 ×1
  • Plate 6 x 16 Red Part 3027 Element 6104519 or 4544524 ×1
  • Seat / Chair 2 x 2 Red Part 4079 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Red Part 3829c01 Element 9552 ×1
  • String Reel Winch 2 x 4 x 2 (Light Gray Drum) Red Part 73037 Element 4190523 or 4109857 ×1
  • Wheel Arch, Mudguard 2 x 4 Studded Red Part 3788 Element 378821 ×1
  • Wheel Arch, Mudguard 2 x 4 [Smooth] Red Part 3787 Element 4190510 or 378721 ×1
  • Window 1 x 2 x 3 Pane Red Part 3854 Element 4175391 or 385421 ×8

White 128 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×12
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×37
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×4
  • Brick Sloped 45° 2 x 4 White Part 3037 Element 6552102 or 303701 ×2
  • Brick Sloped Inverted 45° 2 x 1 White Part 3665 Element 6552106 or 366501 ×10
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×1
  • Dish 4 x 4 Inverted [Radar] with Red Stripes Print Space Radar White Part 3960pr9986 Element 4190508 or 80062 ×1
  • Door 1 x 4 x 5 with 4 Panes, Squared Base White Part 3861b Element 4160992 or 386101 ×1
  • Flag on Flagpole, Straight White Part 3596 Element 4161051 or 4106898 ×1
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 ×8
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×2
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×5
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×3
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×2
  • Plate 2 x 10 White Part 3832 Element 6552109 or 383201 ×2
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×6
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×5
  • Road Sign Octagon with Stop Sign Print White Part 739pr0001 Element 4109768 ×1
  • Road Sign Round with No Parking Print White Part 80045 Element 4109770 ×1
  • Road Sign Triangle with Roadworks Print - 1 Dirt Pile White Part 649pr0011 ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×5
  • Window 1 x 4 x 3 White Part 3853 Element 4175392 or 385301 ×13

Blue 102 pieces

  • Brick 1 x 1 Blue Part 3005 Element 300523 ×58
  • Brick 1 x 3 Blue Part 3622 Element 362223 ×4
  • Brick 1 x 6 Blue Part 3009 Element 300923 ×30
  • Brick Sloped 45° 2 x 2 with Computer Screen Print Blue Part 3039pr0026 Element 4190885 ×1
  • Door 1 x 4 x 5 with 4 Panes, Squared Base Blue Part 3861b Element 386123 ×1
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×3
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Window 1 x 2 x 3 Pane Blue Part 3854 Element 4161043 or 4106342 ×4

Black 59 pieces

  • Bar 1 x 4 x 2 with Studs Black Part 4083 Element 408326 ×1
  • Brick 1 x 1 Black Part 3005 Element 300526 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick Round 1 x 1 Solid Stud Black Part 3062a ×4
  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×6
  • Equipment Radio [Compact Handle] Black Part 3962a ×1
  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×1
  • Hinge Brick 1 x 2 Top Plate Thin Black Part 3938 Element 393826 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate 2 x 10 Black Part 3832 Element 383226 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×3
  • Plate 2 x 6 Black Part 3795 Element 379526 ×2
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Plate 6 x 14 Black Part 3456 Element 345626 ×2
  • Plate 6 x 16 Black Part 3027 Element 302726 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] Black Part 4085a ×3
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Black Part 3794a ×1
  • Plate Special 2 x 2 with Wheels Red Black Part 122c01 ×4
  • String Cord Thin (0.5mm) [Undetermined Length] Black Part 56823 Element 7009426 ×1
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×4
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1
  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×2
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Black Part 3403c01 Element 4221663 or 4143677 ×1
  • Tyre 15 x 6 Offset Tread Small Black Part 3641 Element 4501046 or 364126 ×8
  • Vehicle Base 4 x 10 x 2/3 with 2 x 2 Recessed Center with Smooth Underside, 1 x 2 Cutouts, No Center Hole Black Part 4212b Element 421226 ×1

Yellow 58 pieces

  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×1
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×1
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×1
  • Brick Special 1 x 1 with Headlight Yellow Part 4070 Element 407024 ×5
  • Door 1 x 3 x 1 Left Yellow Part 3822 Element 6587460 or 4190511 ×1
  • Door 1 x 3 x 1 Right Yellow Part 3821 Element 6587459 or 4537985 ×1
  • Fence Lattice 1 x 4 x 1 Yellow Part 3633 Element 4190509 or 363324 ×2
  • Hinge Brick 1 x 2 Base Yellow Part 3937 Element 393724 ×1
  • Plant, Flower - Small Yellow Part 3742 6 spares in the box ×18
  • Plate 1 x 1 Yellow Part 3024 Element 302424 Also in Trans-Yellow ×4
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×3
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×5
  • Plate 4 x 6 Yellow Part 3032 Element 303224 ×1
  • Seat / Chair 2 x 2 Yellow Part 4079 ×6
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×1
  • Tile 2 x 2 with Groove Yellow Part 3068b Element 6388487 or 306824 ×4
  • Wheel Arch, Mudguard 2 x 4 Studded Yellow Part 3788 Element 378824 ×2

Light Gray 50 pieces

  • Antenna 1 x 4 with Rounded Top Light Gray Part 3957a Element 395702 ×1
  • Baseplate 32 x 32 with 9-Stud Straight and Road and Crosswalk Print Light Gray Part 606pr0002 ×1
  • Baseplate 32 x 32 with 9-Stud T Intersection with Road Print Light Gray Part 608pr0001 ×1
  • Baseplate 8 x 32 Light Gray Part 4187 Element 4219436 or 4142857 ×2
  • Bracket 2 x 2 - 2 x 2 Light Gray Part 3956 Element 395602 ×4
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×2
  • Hinge Brick 1 x 2 Top Plate Thin Light Gray Part 3938 Element 393802 ×1
  • Hook, Plate 1 x 2 with Crane Hook Left Light Gray Part 3127 Element 312702 ×1
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×5
  • Plate 2 x 10 Light Gray Part 3832 Element 383202 ×7
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×9
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×2
  • Plate 2 x 6 Light Gray Part 3795 Element 379502 ×2
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thin Ring] Light Gray Part 4081a ×2
  • Plate Special 3 x 2 with Rounded End, Hole Light Gray Part 3176 Element 317652 or 317602 ×2
  • Support Round 2 x 2 x 2 Stand with Blocked Center Hole Light Gray Part 3940a ×2
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×2
  • Vehicle Track, Train, Level Crossing Center Rail Cap Insert 2 x 14 x 2/3 Light Gray Part 812 ×4

Trans-Clear 14 pieces

  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 3003a ×1
  • Brick Sloped 33° 3 x 6 Trans-Clear Part 3939 Element 4190513 or 4124070 ×2
  • Brick Sloped 65° 2 x 2 x 2 Smooth without Bottom Tube Trans-Clear Part 3678a Element 4190879 or 367840 ×1
  • Glass for Window 1 x 4 x 3 [Old Style - Circular Indent] Trans-Clear Part 3855a ×7
  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×3

Green 9 pieces

  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 ×7
  • Plant, Fruit Tree Green Part 3470 Element 347028 ×1
  • Plant, Tree Cypress Green Part 3778 Element 4174726 or 377828 ×1

Trans-Yellow 5 pieces

  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 Also in Yellow ×5

Trans-Red 4 pieces

  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×4

Dark Gray 1 piece

  • Equipment Shovel [Rounded Handle End] Dark Gray Part 3837 Element 383727 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 6390-1 [No Color/Any Color] Part 192385 ×1

Minifigures 8 figures

  • Man, Red Jacket with Zipper, Blue Legs, Red Hard Hat Minifigure, checked as a whole figure ×2
  • Chef, Red Neckerchief, Black Legs (3626a Head) Minifigure, checked as a whole figure ×1
  • Man, Blue Shirt, Blue Legs, Red Hard Hat Minifigure, checked as a whole figure ×1
  • Man, Blue Shirt with Buttons and Pockets, Black Legs, Red Hard Hat Minifigure, checked as a whole figure ×1
  • Policeman, Black Suit with Badge, Black Hat Minifigure, checked as a whole figure ×1
  • Woman, White Shirt with Gold Necklace, Red Legs, Black Hair Minifigure, checked as a whole figure ×1
  • Man, Blue Jacket with Tie and Three Buttons, Black Legs, Black Cowboy Hat 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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