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The Workshop Sheet 10 of 19

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.

SPIKE Prime Workshop Kit

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2000720 SPIKE Prime Workshop Kit

45 pieces in 19 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

Black 19 pieces

  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Black Part 32348 Element 6278125 or 4128593 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×10
  • Tile Special Round 2 x 2 with Hole Black Part 15535 Element 6143850 ×4
  • Tyre Offset Tread with Center Band 23 x 7 Black Part 61254 Element 4541455 ×2

Yellow 7 pieces

  • Brick Special 2 x 4 with 3 Axle Holes Yellow Part 39789 Element 6244914 ×2
  • Technic Axle 3 Yellow Part 4519 Element 6130007 ×5

Magenta 5 pieces

  • Brick Special 2 x 4 with 3 Axle Holes Magenta Part 39789 Element 6252647 ×2
  • Technic Beam 1 x 5 Thick Magenta Part 32316 Element 6261642 ×1
  • Technic Beam Frame 7 x 11 Magenta Part 39794 Element 6252663 ×2

White 3 pieces

  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole White Part 32184 Element 6276981 or 6114940 ×1
  • Wheel 18 x 8 with Fake Bolts and Shallow Spokes and Axle Hole White Part 56903 Element 6013484 ×2

Blue 2 pieces

  • Brick Special 2 x 4 with 3 Axle Holes Blue Part 39789 Element 6244916 ×2

Green 2 pieces

  • Brick Special 2 x 4 with 3 Axle Holes Green Part 39789 Element 6244915 ×2

Light Bluish Gray 2 pieces

  • Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Light Bluish Gray Part 14720 Element 6055519 ×1
  • Technic Pin Connector Hub Perpendicular 3L with 4 Pins Light Bluish Gray Part 48989 Element 4225033 ×1

Red 2 pieces

  • Brick Special 2 x 4 with 3 Axle Holes Red Part 39789 Element 6244918 ×2

Tan 2 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2

Medium Azure 1 piece

  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Medium Azure Part 60483 Element 6344813 or 6173004 ×1

Minifigures 2 figures

  • Bright Light Blue Torso, Bright Light Orange Legs, Dark Brown Hair Minifigure, checked as a whole figure ×1
  • Dark Azure Torso, Black Legs, Black Hair 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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