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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.

Special Elements for eLAB Renewable Energy Set

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970678 Special Elements for eLAB Renewable Energy Set

315 pieces in 39 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

Light Gray 178 pieces

  • Technic Axle Connector with Axle Hole Light Gray Part 32039 Element 4106469 ×4
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×24
  • Technic Axle and Pin Connector Angled #2 - 180° Light Gray Part 32034 Element 4107830 ×4
  • Technic Axle and Pin Connector Angled #5 - 112.5° Light Gray Part 32015 Element 4106378 ×4
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×4
  • Technic Beam 1 x 3 Thin Light Gray Part 6632 Element 4107825 ×2
  • Technic Beam 1 x 5 Thin Light Gray Part 32017 Element 4106885 ×2
  • Technic Beam Triangle Thin [Type I] Light Gray Part 2905 Element 4142539 or 290502 ×2
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×60
  • Technic Bush 1/2 Smooth with Axle Hole Reduced Light Gray Part 32123a ×24
  • Technic Pin 1/2 without Friction Ridges Light Gray Part 4274 Element 427402 ×12
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×36

Black 79 pieces

  • Brick Special 1 x 4 with Groove Black Part 2653 Element 265326 ×2
  • Plate 1 x 6 Black Part 3666 Element 366626 ×2
  • Plate 2 x 10 Black Part 3832 Element 383226 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×1
  • Rubber Band Small 13mm (Square Cross Section) Black Part 71509 Element 4141606 or 4107153 ×8
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×12
  • Technic Pin Double with Axle Hole Black Part 32138 Element 4130597 or 4119589 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×44
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×2
  • Technic Plate 2 x 6 [5 Holes] Black Part 32001 Element 3200126 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×2
  • Tyre 81.6 x 15 Motorcycle Black Part 2902 Element 6226880 or 4562873 ×1

Dark Gray 30 pieces

  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Dark Gray Part 6222 Element 4114075 ×1
  • Brick Special 1 x 2 with Pin Dark Gray Part 2458 Element 4113907 or 245827 ×4
  • Brick Special 2 x 2 with 2 Pins and Axle Hole Dark Gray Part 30000 Element 3000027 ×1
  • Technic Pin 3/4 Dark Gray Part 32002 Element 4109854 ×24

Blue 13 pieces

  • Technic Axle and Pin Connector Angled #1 Blue Part 32013 Element 6332570 or 4107797 ×4
  • Technic Axle and Pin Connector Angled #3 - 157.5° Blue Part 32016 Element 6261397 or 6177396 ×4
  • Technic Axle and Pin Connector Angled #6 - 90° Blue Part 32014 Element 4112205 ×5

Green 6 pieces

  • Brick 2 x 4 Green Part 3001 Element 4106356 or 300128 ×2
  • Plate 1 x 4 Green Part 3710 Element 371028 ×2
  • Tile 1 x 4 with Groove Green Part 2431 Element 243128 ×2

White 5 pieces

  • Sail, Triangular, 15 x 22 with Blue Thin Stripes Print White Part 71308pr0001 Element 4125488 or 4100347 ×2
  • Seat / Chair 2 x 2 White Part 4079 ×2
  • Wheel 61.6 x 13.6 Motorcycle White Part 2903 Element 290301 ×1

Red 2 pieces

  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2

Yellow 2 pieces

  • Tipper Bed 4 x 6, Open Studs Yellow Part 4080 Element 408024 ×2

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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