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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.

The Lava Slinger

Checking

30374 The Lava Slinger

36 pieces in 22 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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

Trans-Orange 7 pieces

  • Cone 1 x 1 [Top Groove] Trans-Orange Part 59900 Element 6514017 or 6172233 ×3
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Trans-Orange Part 2412b Element 30244182 or 6097654 ×2

Black 6 pieces

  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×1
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate Special 1 x 2 with Pin Hole on Top Black Part 11458 Element 6114987 ×2
  • Plate Special 2 x 2 with Wheels Holder Wide Black Part 6157 Element 615726 ×2

Dark Brown 6 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Brown Part 11477 Element 6046943 ×2
  • Launcher, 1 x 4 with 1 x 2 Plate with Pin Hole and Bucket (Catapult) Dark Brown Part 88289 Element 4568951 ×2
  • Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings Dark Brown Part 41854 Element 6096940 ×1
  • Plate 2 x 6 Dark Brown Part 3795 Element 4518687 ×1

Light Bluish Gray 6 pieces

  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×2
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin Light Bluish Gray Part 6014b Element 4211764 ×4

Reddish Brown 5 pieces

  • Brick Sloped 45° 2 x 2 Reddish Brown Part 3039 Element 4211202 ×1
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Reddish Brown Part 4871 Element 6039192 ×1
  • Brick Special 1 x 2 with Grille Reddish Brown Part 2877 Element 4223303 ×1
  • Plate 2 x 3 Reddish Brown Part 3021 Element 4211189 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Reddish Brown Part 15573 Element 6092590 ×1

Dark Bluish Gray 2 pieces

  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Bluish Gray Part 4081b Element 6281996 or 4632574 ×2

Pearl Gold 2 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Pearl Gold Part 53451 Element 6270109 or 4618195 1 spare in the box ×2

Flat Silver 1 piece

  • Weapon Sword / Scimitar Notched Blade Flat Silver Part 60752 Element 4611882 ×1

Red 1 piece

  • Lever Small Base with Black Lever Red Part 298c02 Element 74335 1 spare in the box ×1

Minifigures 1 figure

  • Crust Smasher 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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