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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 ROBO Technology Set

Checking

970673 Special Elements for ROBO Technology Set

71 pieces in 23 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

Technic Bricks 16 pieces

  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×2
  • Technic Brick 1 x 16 [15 Pin Holes] Blue Part 3703 Element 370323 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Blue Part 3700 Element 370023 ×4
  • Technic Brick 1 x 6 [5 Pin Holes] Blue Part 3894 Element 389423 ×4
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Green Part 32064b ×4

Plates 14 pieces

  • Plate 1 x 2 Blue Part 3023 Element 302323 ×8
  • Plate 1 x 8 Blue Part 3460 Element 346023 ×2
  • Plate 2 x 10 Light Gray Part 3832 Element 383202 ×2
  • Plate 6 x 14 Red Part 3456 Element 4179193 or 345621 ×2

Plates Special 14 pieces

  • Bracket 2 x 2 - 2 x 2 Blue Part 3956 Element 6019215 or 395623 ×2
  • Technic Plate 2 x 6 [5 Holes] Blue Part 32001 Element 4114027 or 3200123 ×4
  • Technic Plate 2 x 4 [3 Holes] Yellow Part 3709 Element 370924 ×4
  • Technic Plate 2 x 8 [7 Holes] Yellow Part 3738 Element 4624216 or 373824 ×4

Bricks 12 pieces

  • Brick 2 x 4 Red Part 3001 Element 300121 ×6
  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×6

Technic Connectors 4 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Gray Part 6553 Element 655302 ×2
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×2

Bricks Round and Cones 2 pieces

  • Dome Hemisphere 4 x 4 Multifaceted Trans-Neon Green Part 30208 Element 6031104 or 4114690 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×2

Technic Beams 2 pieces

  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Blue Part 32250 Element 6371955 or 6339225 ×2

Tubes and Hoses 2 pieces

  • Hose, Ribbed 7mm D. 12L / 9.6cm Purple Part 78c12 Element 4275294 or 4114738 ×2

Wheels and Tyres 2 pieces

  • Tyre 43 x 17 Black Part 3634 Element 4523564 or 363426 ×2

Minifig Headwear 1 piece

  • Hair Ponytail Black Part 6093 Element 609376 or 609326 ×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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