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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.

TECHNIC Control II

Checking

1092 TECHNIC Control II

467 pieces in 76 part and color combinations.

LEGO counts 463 pieces. This inventory comes from a separate parts catalog and lists 467; 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

Plates 101 pieces

  • Plate 1 x 10 Black Part 4477 Element 447726 ×8
  • Plate 1 x 2 Black Part 3023 Element 302326 ×30
  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×15
  • Plate 1 x 6 Black Part 3666 Element 366626 ×8
  • Plate 1 x 8 Black Part 3460 Element 346026 ×7
  • Plate 2 x 10 Black Part 3832 Element 383226 ×8
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 2 x 3 Black Part 3021 Element 302126 ×9
  • Plate 2 x 6 Black Part 3795 Element 379526 ×4
  • Plate 2 x 8 Black Part 3034 Element 303426 ×2
  • Plate 4 x 6 Black Part 3032 Element 303226 ×2
  • Plate 4 x 8 Black Part 3035 Element 303526 ×1

Technic Bricks 72 pieces

  • Technic Brick 1 x 12 [11 Pin Holes] Yellow Part 3895 Element 6262393 or 389524 ×9
  • Technic Brick 1 x 16 [15 Pin Holes] Yellow Part 3703 Element 370324 ×14
  • Technic Brick 1 x 2 [1 Pin Hole] Yellow Part 3700 Element 370024 ×14
  • Technic Brick 1 x 4 [3 Pin Holes] Yellow Part 3701 Element 370124 ×10
  • Technic Brick 1 x 6 [5 Pin Holes] Yellow Part 3894 Element 389424 ×11
  • Technic Brick 1 x 8 [7 Pin Holes] Yellow Part 3702 Element 370224 ×14

Technic Gears 64 pieces

  • Technic Gear 14 Tooth Bevel Light Gray Part 4143 Element 414352 or 414302 ×2
  • Technic Gear 16 Tooth with Round Holes [Old Style] Light Gray Part 4019 Element 4107176 or 401902 ×4
  • Technic Gear 24 Tooth Crown with Flat Teeth Light Gray Part 3650a ×4
  • Technic Gear 24 Tooth [Old Style - Three axle holes] Light Gray Part 3648a ×6
  • Technic Gear 40 Tooth Light Gray Part 3649 Element 364902 ×2
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×14
  • Technic Gear Rack 1 x 4 Light Gray Part 3743 Element 374302 ×28
  • Technic Worm Gear Light Gray Part 4716 Element 471602 ×4

Technic Pins 48 pieces

  • Technic Pin with Friction Ridges Lengthwise, without Center Slots Black Part 4459 ×28
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×6
  • Technic Pin 1/2 without Friction Ridges Light Gray Part 4274 Element 427402 ×4
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×10

Technic Axles 37 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×6
  • Technic Axle 12 Black Part 3708 Element 370826 ×3
  • Technic Axle 2 Black Part 3704 Element 370426 ×4
  • Technic Axle 3 Black Part 4519 Element 6238084 or 451926 ×2
  • Technic Axle 4 Black Part 3705 Element 370526 ×3
  • Technic Axle 4 Threaded Black Part 3705b ×2
  • Technic Axle 6 Black Part 3706 Element 370626 ×7
  • Technic Axle 8 Black Part 3707 Element 370726 ×4
  • Technic Axle Nut Light Gray Part 4698 ×6

Technic Bushes 30 pieces

  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×20
  • Technic Bush 1/2 Toothed Type I [+ Opening] Light Gray Part 4265a Element 426502 ×10

Tiles 20 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×12
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×8

Electronics 19 pieces

  • Sensor, Light, 4.5V Black Part upn0178 ×2
  • Motor, 4.5V Type 2 for 2-Prong Connectors with Middle Pin Light Gray Part 6216b ×3
  • Wire with 2-Prong Connectors, 12V / 4.5V 96L Light Gray Part 766c96 Element 73493 ×8
  • Light Brick 2 x 2 Type 2 - 4.5V [Complete] Yellow Part 265bc01 ×6

Plates Special 15 pieces

  • Bracket 2 x 2 - 2 x 2 Black Part 3956 Element 6254808 or 6019217 ×1
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×8
  • Technic Plate 2 x 8 [7 Holes] Black Part 3738 Element 373826 ×6

Bricks Sloped 12 pieces

  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×4
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×8

Technic Connectors 10 pieces

  • Technic Axle and Pin Connector Light Gray Part 3651 Element 4105243 or 365102 ×8
  • Technic Axle and Pin Connector Toggle Joint Toothed [with Slots] Light Gray Part 4273b Element 427302 ×2

String, Bands and Reels 8 pieces

  • Rubber Band Medium (Square Cross Section) Black Part 71156 Element 71156 ×4
  • Rubber Band Medium (Square Cross Section) Thin Cut Black Part 70012 Element 70012 ×4

Wheels and Tyres 8 pieces

  • Technic Wedge Belt Wheel Tire Black Part 2815 Element 6028041 or 281526 ×2
  • Tyre 14 x 4 Smooth Small Single Black Part 3139 Element 313926 ×1
  • Technic Wedge Belt Wheel [aka Pulley] Light Gray Part 4185 Element 4100502 or 418502 ×4
  • Wheel Centre Small with Stub Axles (Pulley Wheel) Red Part 3464 Element 4180583 or 346421 ×1

Bricks 6 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Green Part 3065 Element 6514266 or 6244908 ×2
  • Brick 1 x 2 without Bottom Tube Trans-Red Part 3065 Element 6514263 or 6244905 ×2
  • Brick 1 x 2 without Bottom Tube Trans-Yellow Part 3065 Element 6514265 or 6244907 ×2

Bricks Round and Cones 4 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×4

Gear Parts 4 pieces

  • Storage / Sorting Tray, Technic, Eight Compartment Blue Part upn0195 ×1
  • Storage / Sorting Tray, Technic, Seventeen Compartment Blue Part upn0194 ×1
  • Storage Case Container, Technic, Bottom Blue Part 4963 ×1
  • Storage Case Container, Technic, Lid Blue Part 4962 ×1

Hinges, Arms and Turntables 3 pieces

  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×1
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Black Part 3403c01 Element 4221663 or 4143677 ×1
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×1

Technic Special 2 pieces

  • Technic Disc 3 x 3 with 4 Black Sections on One Side and 8 on Reverse Print [Speed Sensor] White Part 2723pr0005 ×2

Technic Steering, Suspension and Engine 2 pieces

  • Technic Universal Joint 4L [Complete Assembly] Light Gray Part 9244 Element 9244 ×2

Baseplates 1 piece

  • Baseplate 24 x 24 with Studs on Edges Blue Part 367 ×1

Transportation - Land 1 piece

  • Plate Special 2 x 2 with Wheel Holder Bottom Light Gray Part 8 ×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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