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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.

Batwing

Checking

30301 Batwing

45 pieces in 29 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Plates Wedged 12 pieces

  • Wedge Plate 2 x 4 Black Part 51739 Element 4531412 ×1
  • Wedge Plate 3 x 2 Left Black Part 43723 Element 4180536 ×2
  • Wedge Plate 3 x 2 Right Black Part 43722 Element 4180508 ×2
  • Wedge Plate 3 x 6 Cut Corners Black Part 2419 Element 241926 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Black Part 43719 Element 6275401 or 4561035 ×1
  • Wedge Plate 6 x 3 Left Black Part 54384 Element 4283047 ×2
  • Wedge Plate 6 x 3 Right Black Part 54383 Element 4283046 ×2

Plates 10 pieces

  • Plate 2 x 10 Black Part 3832 Element 383226 ×1
  • Plate 1 x 10 Dark Bluish Gray Part 4477 Element 4257526 or 4210816 ×2
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×1
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×3

Plates Special 6 pieces

  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Black Part 92593 Element 4599499 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Black Part 99206 Element 6052126 ×1
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Yellow Part 10247 Element 6061025 ×1

Bricks Curved 5 pieces

  • Brick Curved 2 x 2 with Lip, No Studs Black Part 30602 Element 6476459 or 4143875 Also in Trans-Brown ×1
  • Brick Curved 2 x 2 x 2/3 Black Part 15068 Element 6053077 ×1
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×2
  • Brick Curved 2 x 2 with Lip, No Studs Trans-Brown Part 30602 Element 6507872 or 6171717 Also in Black ×1

Bricks Sloped 4 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Yellow Part 54200 Element 6245272 or 4260942 1 spare in the box ×2

Technic Pins 3 pieces

  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×1

Bars, Ladders and Fences 2 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Dark Blue Part 58176 Element 6328198 or 6171763 ×2

Bricks Round and Cones 1 piece

  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×1

Energy Effects 1 piece

  • Wave / Flame Rounded with Base Rim Trans-Neon Orange Part 6126b Element 6258495 or 6167743 ×1

Transportation - Land 1 piece

  • Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings Black Part 41854 Element 4184813 or 4163939 ×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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