The Workshop Sheet 10 of 22

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 Building Set

Checking

8034 Universal Building Set

187 pieces in 42 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.

Show

Piece checklist

Technic Bricks 34 pieces

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

Technic Pins 31 pieces

  • Technic Pin with Friction Ridges Lengthwise, without Center Slots Black Part 4459 ×10
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×3
  • 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 ×14

Plates 29 pieces

  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 3 Yellow Part 3623 Element 362324 ×4
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×10
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×6
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×1
  • Plate 2 x 6 Yellow Part 3795 Element 379524 ×6

Wheels and Tyres 16 pieces

  • Tyre 24 x 13 Model Team Black Part 2696 Element 269676 or 269626 ×6
  • Technic Wedge Belt Wheel [aka Pulley] Light Gray Part 4185 Element 4100502 or 418502 ×4
  • Wheel 30 x 13 Model Team White Part 2695 Element 4507077 or 4240315 ×6

Technic Bushes 14 pieces

  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×14

Technic Axles 13 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×2
  • Technic Axle 12 Black Part 3708 Element 370826 ×2
  • Technic Axle 2 Black Part 3704 Element 370426 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×3
  • Technic Axle 6 Black Part 3706 Element 370626 ×3
  • Technic Axle 8 Black Part 3707 Element 370726 ×2

Plates Special 10 pieces

  • Technic Plate 2 x 4 [3 Holes] Yellow Part 3709 Element 370924 ×8
  • Technic Plate 2 x 8 [7 Holes] Yellow Part 3738 Element 4624216 or 373824 ×2

Technic Connectors 10 pieces

  • Technic Axle and Pin Connector Light Gray Part 3651 Element 4105243 or 365102 ×10

Technic Gears 10 pieces

  • Technic Gear 24 Tooth Crown with Flat Teeth Light Gray Part 3650a ×3
  • Technic Gear 24 Tooth [Old Style - Three Axle Holes] Light Gray Part 3648a ×2
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×4
  • Technic Gear Rack 1 x 4 Light Gray Part 3743 Element 374302 ×1

Hinges, Arms and Turntables 8 pieces

  • Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs Yellow Part 4276b Element 4256398 or 4189095 ×2
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Yellow Part 4275b Element 4256391 or 4225510 ×4
  • Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Yellow Part 4531 Element 4280162 or 4225512 ×2

Bricks Sloped 4 pieces

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

Technic Special 3 pieces

  • Technic Plate 1 x 8 with Toothed Ends Light Gray Part 4442 Element 444252 or 444202 ×3

Technic Steering, Suspension and Engine 2 pieces

  • Technic Steering Arm Light Gray Part 4261 Element 4225506 or 4189316 ×2

Tiles 2 pieces

  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2

Bricks 1 piece

  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×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.