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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.

Ninja Surprise

Checking

6045 Ninja Surprise

100 pieces in 47 part and color combinations, plus 3 minifigures.

The piece count includes the 12 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

Bricks Round and Cones 17 pieces

  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×2
  • Brick Round 1 x 1 Open Stud Brown Part 3062b Element 4107810 ×2
  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×13

Bricks 11 pieces

  • Brick 2 x 8 Black Part 3007 Element 6037390 or 300726 ×1
  • Brick 1 x 2 Brown Part 3004 Element 300425 ×1
  • Brick 1 x 1 Dark Gray Part 3005 Element 4114079 or 300527 ×1
  • Brick 1 x 2 Dark Gray Part 3004 Element 4113909 or 300427 ×3
  • Brick 1 x 4 Dark Gray Part 3010 Element 4114308 or 301027 ×1
  • Brick 1 x 6 Dark Gray Part 3009 Element 4114082 or 300927 ×1
  • Brick 2 x 2 Corner Dark Gray Part 2357 Element 4114511 or 235727 ×2
  • Brick 2 x 6 Dark Gray Part 2456 Element 4181136 or 4114252 ×1

Bricks Sloped 10 pieces

  • Brick Sloped 33° 3 x 4 Black Part 3297 Element 6435854 or 329726 ×2
  • Brick Sloped 75° 2 x 2 x 3 [Hollow Studs] Black Part 3684 Element 4286874 or 4248065 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Dark Gray Part 4460a Element 4240112 or 4114515 ×4
  • Brick Sloped 45° 2 x 2 Light Gray Part 3039 Element 303902 ×2

Minifig Shields, Weapons, & Tools 9 pieces

  • Weapon Gun / Flintlock / Musket (Pirate) Black Part 2561 Element 4167833 or 4112804 ×1
  • Weapon Sword / Katana [Octagonal Guard] Black Part 30173a Element 4613936 or 4114206 ×1
  • Weapon Lance Brown Part 3849 Element 4160964 or 384925 ×3
  • Weapon Pike / Spear Round End Brown Part 4497 ×2
  • Weapon Halberd / Axe Light Gray Part 3848 Element 4114513 ×1
  • Weapon Sword / Katana [Octagonal Guard] Light Gray Part 30173a Element 4114205 ×1

Plates 9 pieces

  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×4
  • Plate 1 x 4 Dark Gray Part 3710 Element 371027 ×1
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×2
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×2

Plates Special 9 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Black Part 4085c Element 408526 ×4
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Light Gray Part 3839b Element 383902 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Red Part 4085c Element 408521 ×2

Bricks Special 8 pieces

  • Brick Special 1 x 2 Palisade [aka Log] Brown Part 30136 Element 4105289 ×2
  • Brick Special 1 x 2 with Pin Brown Part 2458 Element 4163227 or 4114512 ×1
  • Brick Special 1 x 4 Palisade [aka Log] Dark Gray Part 30137 Element 4114516 ×3
  • Brick Special 1 x 1 with Headlight Red Part 4070 Element 407021 ×2

Plants & Trees 6 pieces

  • Plant, Round 1 x 1 - 3 Bamboo Leaves Green Part 30176 Element 6270003 or 6248461 ×6

Technic Bricks 5 pieces

  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×1
  • Technic Brick 1 x 2 [2 Pin Holes] Black Part 32000 Element 3200026 ×4

Flags, Banners and Signs 3 pieces

  • Flag 2 x 2 Square with Silver Bull's Head Print Red Part 2335pr0031 Element 4114350 ×2
  • Flag 3 x 6 with Red Sail with Tan Patches Print Trans-Clear Part 71864 Element 4114335 ×1

Animals / Creatures 2 pieces

  • Animal, Fish, Ornamental Light Gray Part 30224 Element 4114346 ×2

Minifig Accessories 2 pieces

  • Equipment Goblet / Glass Yellow Part 2343 Element 626924 or 234324 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×2

Rock 2 pieces

  • Rock Panel Triangular 3 x 8 x 7 Dark Gray Part 6083 Element 608327 ×1
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Neon Green Part 30153 Element 6247790 or 4114505 ×1

Transportation - Sea and Air 2 pieces

  • Sail, Triangular, 6 x 12 with Tattered with Patched Cloth Print Trans-Clear Part 71637pr0001 Element 4114439 ×2

Bars, Ladders and Fences 1 piece

  • Antenna 1 x 4 with Rounded Top Light Gray Part 3957a Element 395702 ×1

Baseplates 1 piece

  • Baseplate 8 x 16 Green Part 3865 Element 4219812 or 4179599 ×1

Supports, Girders and Cranes 1 piece

  • Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole Dark Gray Part 3940b Element 4114514 or 394027 ×1

Minifigures 3 figures

  • Robber with Tattered Green Vest Minifigure, checked as a whole figure ×1
  • Ninja, Black Minifigure, checked as a whole figure ×1
  • Robber, Printed Brown Armor 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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