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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.

WeDo Resource Set

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9585 WeDo Resource Set

318 pieces in 66 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 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

Technic Connectors 49 pieces

  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×18
  • Technic Axle Connector with Axle Hole Red Part 32039 Element 4118897 ×16
  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Red Part 32530 Element 4207715 or 3253021 ×14
  • Technic Pin Connector Round [Slotted] Yellow Part 62462 Element 6173122 or 4526983 ×1

Technic Pins 45 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×14
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 ×5
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×6
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×10
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 ×4
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×6

Technic Axles 38 pieces

  • Technic Axle 12 Black Part 3708 Element 370826 ×8
  • Technic Axle 4 Black Part 3705 Element 370526 ×6
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×2
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×8
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×2
  • Technic Axle 9 Light Bluish Gray Part 60485 Element 4535768 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×10

Plates 34 pieces

  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×9
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×2
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×3
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×16
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×4

Bricks 24 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×8
  • Brick 2 x 3 Red Part 3002 Element 300271 or 300221 ×4
  • Brick 2 x 4 Red Part 3001 Element 300121 ×3
  • Brick 2 x 6 Red Part 2456 Element 4181138 or 245621 ×1
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×6
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×2

Technic Bricks 24 pieces

  • Technic Brick 1 x 12 [11 Pin Holes] Red Part 3895 Element 389521 ×4
  • Technic Brick 1 x 16 [15 Pin Holes] Red Part 3703 Element 370321 ×12
  • Technic Brick 1 x 4 [3 Pin Holes] Red Part 3701 Element 370121 ×3
  • Technic Brick 1 x 6 [5 Pin Holes] Red Part 3894 Element 389421 ×3
  • Technic Brick 1 x 8 [7 Pin Holes] Red Part 3702 Element 370221 ×2

Plates Round Curved and Dishes 23 pieces

  • Plate Round 4 x 4 with Pin Hole Dark Bluish Gray Part 60474 Element 4528323 ×1
  • Plate Round 1 x 1 with Solid Stud Lime Part 6141 Element 4183133 ×8
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 ×8
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 ×6

Technic Bushes 20 pieces

  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 ×10
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 ×10

Bricks Sloped 13 pieces

  • Brick Sloped 33° 3 x 1 Red Part 4286 Element 428621 ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Red Part 3747b Element 4500462 ×4
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×5
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Yellow Part 3747b Element 4500459 or 374724 ×2

Plates Special 12 pieces

  • Plate Special 2 x 2 with Towball Socket, Short, Flattened with Holes and Axle Hole in Center Light Bluish Gray Part 63082 Element 6273227 or 4530469 ×1
  • Technic Plate 2 x 4 [3 Holes] White Part 3709 Element 370901 ×9
  • Plate Special 3 x 2 with Rounded End, Hole Yellow Part 3176 Element 4188313 or 4141738 ×2

Wheels and Tyres 11 pieces

  • Tyre 43.2 x 14 Offset Tread Black Part 56898 Element 6518544 or 4539268 ×4
  • Technic Wedge Belt Wheel [aka Pulley] Lime Part 4185 Element 6335116 or 4494219 ×3
  • Wheel 30 x 14 White Part 56904 Element 4539270 ×4

Technic Gears 7 pieces

  • Technic Gear 24 Tooth [New Style with Single Axle Hole] Dark Bluish Gray Part 3648b Element 6133119 or 4514558 ×2
  • Technic Gear 8 Tooth Dark Bluish Gray Part 3647 Element 4514559 ×2
  • Technic Gear 16 Tooth with Round Holes [Old Style] Light Bluish Gray Part 4019 Element 4562487 or 4211563 ×2
  • Technic Gear 40 Tooth Light Bluish Gray Part 3649 Element 6195314 or 4285634 ×1

String, Bands and Reels 4 pieces

  • String Cord Medium Thickness 100cm Black Part 14728c100 Element 6003316 or 4500573 ×1
  • Technic Reel 3 x 2 Yellow Part 32012 Element 4297401 or 4120070 ×1
  • Technic Rubber Belt Large [33mm ID] [Round Cross Section] Yellow Part 85546 Element 4544151 or 70905 ×2

Tiles 4 pieces

  • Tile 1 x 2 with Groove Lime Part 3069b Element 4500125 or 4164025 ×2
  • Tile 1 x 4 with Groove Lime Part 2431 Element 4164021 ×2

Bricks Curved 2 pieces

  • Brick Curved 6 x 1 Red Part 42022 Element 4160390 ×2

Bricks Round and Cones 2 pieces

  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole White Part 6222 Element 6615542 or 4203583 ×2

Windows and Doors 2 pieces

  • Door Frame 1 x 4 x 6 Type 2 White Part 60596 Element 6262945 or 4541956 ×1
  • Door 1 x 4 x 6 with 4 Panes and Stud Handle Yellow Part 60623 Element 4528550 ×1

Baseplates 1 piece

  • Baseplate 8 x 16 Dark Bluish Gray Part 3865 Element 4226978 ×1

Hinges, Arms and Turntables 1 piece

  • Turntable 4 x 4 Square Base, Locking Black Part 61485 Element 4517986 ×1

Supports, Girders and Cranes 1 piece

  • Hook with Towball Dark Bluish Gray Part 30395 Element 30395199 or 6347464 ×1

Technic Beams Special 1 piece

  • Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank Light Bluish Gray Part 33299a Element 4211688 ×1

Minifigures 2 figures

  • White Torso with Surfboard, Reddish Brown Legs, Red Hair Minifigure, checked as a whole figure ×1
  • White Torso with Surfboard, Reddish Brown Legs, Lime Cap 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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