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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.

Tropical Ukulele

Checking

31156 Tropical Ukulele

387 pieces in 117 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

Plates 105 pieces

  • Plate 1 x 12 Dark Azure Part 60479 Element 6185543 ×3
  • Plate 1 x 2 Dark Azure Part 3023 Element 4653988 ×4
  • Plate 1 x 4 Dark Azure Part 3710 Element 6133728 or 6089781 ×2
  • Plate 1 x 1 Light Aqua Part 3024 Element 6058016 or 6015040 1 spare in the box ×5
  • Plate 1 x 2 Light Aqua Part 3023 Element 6146701 or 6015054 ×13
  • Plate 1 x 3 Light Aqua Part 3623 Element 6325961 or 6146704 ×8
  • Plate 1 x 4 Light Aqua Part 3710 Element 6141592 or 6015057 ×1
  • Plate 1 x 6 Light Aqua Part 3666 Element 6146702 ×2
  • Plate 2 x 3 Light Aqua Part 3021 Element 6426724 or 6192108 ×19
  • Plate 1 x 10 Reddish Brown Part 4477 Element 4223683 ×1
  • Plate 1 x 3 Reddish Brown Part 3623 Element 4211152 ×8
  • Plate 1 x 4 Reddish Brown Part 3710 Element 4211190 ×2
  • Plate 1 x 6 Reddish Brown Part 3666 Element 4221590 ×2
  • Plate 2 x 10 Reddish Brown Part 3832 Element 4211214 ×1
  • Plate 2 x 3 Reddish Brown Part 3021 Element 4211189 ×5
  • Plate 2 x 6 Reddish Brown Part 3795 Element 4211247 ×1
  • Plate 1 x 1 Tan Part 3024 Element 4159553 or 302405 1 spare in the box ×5
  • Plate 1 x 12 Tan Part 60479 Element 6156462 ×1
  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 ×7
  • Plate 1 x 4 Tan Part 3710 Element 4113233 or 371005 ×4
  • Plate 1 x 6 Tan Part 3666 Element 4124067 or 366605 ×4
  • Plate 2 x 10 Tan Part 3832 Element 4249019 or 4248731 ×1
  • Plate 1 x 2 Trans-Clear Part 3023 Element 6514001 or 6240204 ×4
  • Plate 1 x 12 White Part 60479 Element 6552130 or 6548269 ×2

Plates Special 60 pieces

  • Plate Special 2 x 2 with Only 2 studs Black Part 33909 Element 6192346 ×3
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Bright Light Orange Part 18674 Element 6133933 ×2
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs Bright Light Yellow Part 75937 Element 6471689 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Dark Bluish Gray Part 60897 Element 6489464 or 6296892 ×1
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Light Aqua Part 28802 Element 6474528 ×8
  • Bracket 1 x 2 - 2 x 2 Inverted Light Aqua Part 99207 Element 6474471 ×6
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×1
  • Plate Special 1 x 2 with Pin Hole Underneath Light Bluish Gray Part 18677 Element 6168633 or 6089147 ×4
  • Bracket 1 x 1 - 1 x 1 Inverted White Part 36840 Element 6548290 or 6242241 ×3
  • Bracket 1 x 1 - 1 x 2 White Part 79389 Element 6442358 ×4
  • Bracket 1 x 2 - 1 x 2 White Part 99781 Element 6552141 or 6548275 ×2
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs White Part 75937 Element 6009016 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Yellow Part 15573 Element 6092583 ×16
  • Plate Special 1 x 2, Top Clip [Open O] Yellow Part 44861 Element 6360077 ×8

Bricks Curved 49 pieces

  • Brick Curved Inverted 2 x 2 x 2/3 Black Part 32803 Element 6211476 ×1
  • Brick Arch 1 x 3 x 2 Curved Top Light Aqua Part 6005 Element 6470229 or 6097306 ×6
  • Brick Arch 1 x 6 x 3 1/3 Curved Top Light Aqua Part 6060 Element 6474449 ×6
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Light Aqua Part 6091 Element 6411361 or 6097304 ×6
  • Brick Curved 1 x 4 x 2 2/3 Light Aqua Part 65734 Element 6510208 or 6474450 ×4
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Aqua Part 11477 Element 6141593 ×4
  • Brick Curved 2 x 1 with Inverted Cutout Light Aqua Part 78666 Element 6474529 ×2
  • Brick Curved 2 x 2 x 2/3 Light Aqua Part 15068 Element 6210729 or 6138658 ×4
  • Brick Arch 1 x 3 x 2 Reddish Brown Part 88292 Element 6186577 ×3
  • Brick Arch 1 x 3 x 2 Curved Top Tan Part 6005 Element 6252199 or 6055782 ×3
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Tan Part 6091 Element 6411329 or 4273526 ×4
  • Brick Curved 1 x 3 x 2 Inverted [Inside Bow] Tan Part 18653 Element 6212038 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Tan Part 11477 Element 6046922 ×1
  • Brick Curved Inverted 4 x 1 Tan Part 13547 Element 6273851 ×2
  • Brick Curved 1 x 4 x 2 2/3 Trans-Clear Part 65734 Element 6510199 or 6288587 ×2

Tiles 30 pieces

  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 1 x 6 with Groove Dark Azure Part 6636 Element 6164336 ×2
  • Tile 1 x 1 with Groove Light Aqua Part 3070b Element 6251846 1 spare in the box ×1
  • Tile 1 x 3 Light Aqua Part 63864 Element 6399567 or 6184485 ×14
  • Tile 1 x 1 with Groove Medium Nougat Part 3070b Element 6177146 1 spare in the box ×1
  • Tile 1 x 3 Medium Nougat Part 63864 Element 6365746 ×10
  • Tile 1 x 4 with Groove Tan Part 2431 Element 4550324 or 4542398 ×1

Bricks 22 pieces

  • Brick 1 x 3 Light Aqua Part 3622 Element 6295228 or 6172587 ×6
  • Brick 1 x 6 Light Aqua Part 3009 Element 6227921 or 4616203 ×4
  • Brick 1 x 1 Tan Part 3005 Element 4113915 or 300505 ×1
  • Brick 1 x 12 Tan Part 6112 Element 6075179 or 4114049 ×3
  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×1
  • Brick 1 x 3 Tan Part 3622 Element 4162465 or 4113920 ×1
  • Brick 1 x 4 Tan Part 3010 Element 4113916 or 301005 ×3
  • Brick 1 x 6 Tan Part 3009 Element 4112982 or 300905 ×3

Plates Round Curved and Dishes 16 pieces

  • Plate Special 1 x 2 Rounded with 2 Open Studs Black Part 35480 Element 6210270 ×9
  • Plate Round 1 x 1 with Open Stud Green Part 85861 Element 6338221 1 spare in the box ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Green Part 4032a Element 403228 ×1
  • Plate Round 1 x 1 with Open Stud Light Bluish Gray Part 85861 Element 6168647 or 6124825 1 spare in the box ×2
  • Plate Special 1 x 3 Rounded with 3 Open Studs Light Bluish Gray Part 77850 Element 6446028 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2

Bricks Sloped 15 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Aqua Part 54200 Element 6429264 or 6176737 1 spare in the box ×2
  • Brick Sloped 33° 3 x 1 Light Aqua Part 4286 Element 6438447 or 6096941 ×6
  • Brick Sloped Inverted 45° 2 x 1 Light Aqua Part 3665 Element 6306030 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Tan Part 54200 Element 4516055 or 4278069 1 spare in the box ×1
  • Brick Sloped Inverted 45° 2 x 1 Tan Part 3665 Element 4159196 or 366505 ×2

Tiles Round and Curved 12 pieces

  • Tile Round 1 x 1 with White Dot/Circle/Eye Print Black Part 98138pr0107 Element 6284072 or 6253831 1 spare in the box ×2
  • Tile Round 1 x 1 Half Circle Medium Nougat Part 24246 Element 6349124 1 spare in the box ×2
  • Tile Round 1 x 1 Quarter Medium Nougat Part 25269 Element 6248536 1 spare in the box ×2
  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 1 spare in the box ×6

Animal / Creature Body Parts 11 pieces

  • Animal Body Part, Clam / Scallop Half Shell with 4 Studs Bright Light Yellow Part 18970 Element 6475608 ×4
  • Animal Body Part, Clam / Scallop Half Shell with 4 Studs Coral Part 18970 Element 6287639 ×4
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small White Part 53451 Element 6270106 or 4568387 1 spare in the box ×1
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Yellow Part 53451 Element 6270110 or 6014033 1 spare in the box ×2

Plants & Trees 10 pieces

  • Plant, Leaves 6 x 5 Swordleaf with Clip [Thick Open O Clip] Bright Green Part 10884 Element 6347460 or 6299808 ×1
  • Plant, Leaves, Round 2 x 2 x 2/3 with + Axle Hole and 4 Leaf Extensions Dark Pink Part 15469 Element 6050927 ×1
  • Plant, Fern 2 x 3 x 2 Green Part 2682 Element 6581711 or 6411022 ×4
  • Plant, Palm Leaf Small Green Part 6148 Element 6269040 or 4258459 ×4

Bricks Special 9 pieces

  • Brick Special 1 x 1 with Headlight Dark Tan Part 4070 Element 6273590 ×1
  • Brick Special 1 x 1 with Stud on 1 Side Light Aqua Part 87087 Element 4619815 ×3
  • Brick Special 1 x 4 with 4 Studs on One Side Olive Green Part 30414 Element 6411584 ×1
  • Brick Special 1 x 2 with Studs on 2 Sides Reddish Brown Part 52107 Element 6223599 ×3
  • Brick Special 1 x 2 with Pin - Bottom Stud Holder Tan Part 44865 Element 6395748 ×1

Bars, Ladders and Fences 7 pieces

  • Bar 2L with Stop in Center Dark Bluish Gray Part 78258 Element 6350724 1 spare in the box ×1
  • Bar, Angled with 1 x 1 Round Plate / Stud on End Green Part 65578 Element 6510190 or 6382575 1 spare in the box ×1
  • Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] Light Bluish Gray Part 3484 Element 6439041 ×2
  • Bar 3L Light Bluish Gray Part 87994 Element 6093527 or 6064033 1 spare in the box ×2
  • Bar 4L (Lightsaber Blade / Wand) Reddish Brown Part 30374 Element 6116613 or 4262974 ×1

Tiles Special 7 pieces

  • Tile Special Round 1 x 1 with Hollow Bar Bright Green Part 20482 Element 6400649 1 spare in the box ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Flat Silver Part 2412b Element 4619636 ×2
  • Tile Special Round 1 x 1 with Hollow Bar Reddish Brown Part 20482 Element 6186673 or 6162975 1 spare in the box ×1

Hinges, Arms and Turntables 5 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Dark Bluish Gray Part 44301b Element 6266225 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Reddish Brown Part 54657 Element 6452013 ×3

Technic Pins 5 pieces

  • Technic Pin 1/2 with Friction Dark Bluish Gray Part 89678 Element 6395635 1 spare in the box ×4
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×1

Bricks Round and Cones 4 pieces

  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×4

Minifig Accessories 4 pieces

  • Equipment Signal Paddle White Part 3900 Element 390001 ×4

Technic Bushes 4 pieces

  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced White Part 32123b Element 6634562 or 6360263 1 spare in the box ×4

Tubes and Hoses 4 pieces

  • Zipline, 22L with 2 Connectors - Flexible Flat Silver Part 27965 Element 6210590 1 spare in the box ×4

Technic Axles 2 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

Technic Connectors 2 pieces

  • Technic Axle and Pin Connector Angled #4 - 135° Green Part 32192 Element 6420635 or 4654507 ×2

Transportation - Land 2 pieces

  • Wheel Arch, Mudguard 4 x 2 1/2 x 1 Black Part 98282 Element 6170505 or 4648117 ×2

Technic Bricks 1 piece

  • Technic Brick 1 x 1 with Pin Hole White Part 6541 Element 6609542 or 654101 ×1

Technic Special 1 piece

  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Reddish Brown Part 32124 Element 6280388 or 6035580 ×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

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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.

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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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