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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.

Lloyd's Mech Battle EVO

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71781 Lloyd's Mech Battle EVO

225 pieces in 85 part and color combinations, plus 2 minifigures.

LEGO counts 223 pieces. This inventory comes from a separate parts catalog and lists 234, including the 9 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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.

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

White 37 pieces

  • Arm Mechanical with Clip [Thick Support] White Part 98313 Element 6976864 or 6276864 ×2
  • Bar 6L with Stop Ring White Part 63965 Element 6170419 or 6081986 ×2
  • Cone 1 x 1 [Top Groove] White Part 59900 Element 6601844 or 4518400 ×2
  • Headwear Accessory, Cross Horns / Bones White Part 2186a ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×1
  • Plate Special 1 x 1 Rounded with Handle White Part 26047 Element 6564914 or 6174937 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] White Part 60478 Element 6552131 or 4515364 ×2
  • Plate Special 1 x 2 with Three Teeth [Tri-Tooth] White Part 15208 Element 6046381 ×2
  • Plate Special 1 x 2, Top Clip [Open O] White Part 44861 Element 6347309 ×2
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] White Part 41740 Element 6249091 ×2
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs White Part 75937 Element 6009016 ×1
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×1
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] White Part 99563 Element 6601943 or 6210076 ×2
  • Tile Special 1 x 2 with Two Vertical Teeth / Tooth White Part 15209 Element 6046384 ×4
  • Weapon Axe, Bone/Sickle White Part 2186e ×2
  • Weapon Dagger, Bone White Part 2186c ×2
  • Weapon Sword, Bone White Part 2186d ×2
  • Weapon Throwing Star / Shuriken, Bone White Part 2186b ×4

Light Bluish Gray 31 pieces

  • Brick Sloped Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Light Bluish Gray Part 76959 Element 6435857 ×2
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Light Bluish Gray Part 4871 Element 4211517 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Bluish Gray Part 4032a Element 4211475 ×4
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Light Bluish Gray Part 60897 Element 6296894 or 4613956 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×12
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Light Bluish Gray Part 99206 Element 4654577 ×2
  • Technic Axle and Pin Connector Angled #4 - 135° Light Bluish Gray Part 32192 Element 6262905 or 6149784 ×1
  • Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Light Bluish Gray Part 73109 Element 6326478 ×1
  • Tile 2 x 3 Light Bluish Gray Part 26603 Element 6171894 ×3

Black 30 pieces

  • Arm Mechanical with Clip [Thick Support] Black Part 98313 Element 6276867 or 6006739 ×1
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black Part 28802 Element 6168620 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Black Part 76959 Element 6425507 ×2
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×2
  • Brick Wedged, Sloped 45° 2 x 2 Corner Black Part 13548 Element 6176768 ×4
  • Dish 6 x 6 Inverted (Radar) with Solid Studs Black Part 44375b Element 6058341 ×1
  • Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders Black Part 24122 Element 6280097 or 6155068 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 Also in Dark Bluish Gray ×1
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 6 Black Part 3795 Element 379526 ×6
  • Plate Special 1 x 2 with Clip Horizontal on Side Black Part 11476 Element 6313116 or 6132731 ×5
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Black Part 99206 Element 6052126 ×2
  • Weapon Hilt Symmetric Black Part 66909 Element 6331084 ×1

Pearl Gold 27 pieces

  • Bar 6L with Stop Ring Pearl Gold Part 63965 Element 6170470 or 6081992 ×1
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Pearl Gold Part 47457 Element 4286597 ×2
  • Brick Special 2 x 5 with Slope, Studs on Side Pearl Gold Part 79897 Element 6371694 ×2
  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Pearl Gold Part 47458 Element 6375715 or 6114676 ×3
  • Brick Wedged, Sloped 4 x 4 Triple with 3 Ridges on Slope Pearl Gold Part 86148 Element 6503254 or 6376233 ×2
  • Cone 1 x 1 [Top Groove] Pearl Gold Part 59900 Element 4529247 ×2
  • Large Figure Cover 4 x 3 x 2 with Bar, 4 Studs, Ridged Pearl Gold Part 79896 Element 6371693 ×1
  • Large Figure Weapon Sword, 3 Bar Holes and Axle Hilt Pearl Gold Part 35633 Element 6330240 or 6270026 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Pearl Gold Part 2540 Element 6279731 ×5
  • Tile Round 2 x 2 with Orange Energy Core Print Pearl Gold Part 14769pr9994 Element 6341738 ×1
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Gold Part 99563 Element 6207933 or 4651407 ×4
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 1 spare in the box ×1
  • Weapon Sword Hilt with Dragon Head Pearl Gold Part 36017 Element 6224825 ×1

Green 26 pieces

  • Brick 2 x 2 Green Part 3003 Element 300328 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Green Part 54200 Element 4546705 or 4503118 1 spare in the box ×4
  • Brick Sloped 45° 2 x 2 Green Part 3039 Element 303928 ×4
  • Plate 1 x 2 Green Part 3023 Element 302328 ×6
  • Plate 2 x 3 Green Part 3021 Element 302128 ×7
  • Plate Angled 2 x 2 with Step and Hole in Center Green Part 79846 Element 6372712 ×4

Red 26 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Red Part 99780 Element 6089698 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×6
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 4 Red Part 3020 Element 302021 ×2
  • Plate Angled 2 x 2 with Step and Hole in Center Red Part 79846 Element 6375427 ×4
  • Plate Round 1 x 1 with Open Stud Red Part 85861 Element 6223427 1 spare in the box ×4
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Red Part 60470b Element 6360036 or 4556153 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×3
  • Tile 2 x 3 with Lime Ninjago Resilience Banner Print Red Part 26603pr9972 Element 6421043 ×1
  • Tile Special Round 2 x 2 with Hole Red Part 15535 Element 6102138 ×1

Dark Bluish Gray 19 pieces

  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 Also in Black ×4
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×12
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×2

Pearl Titanium 14 pieces

  • Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Pearl Titanium Part 47456 Element 6167034 ×5
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Titanium Part 99563 Element 6208447 ×9

Dark Green 7 pieces

  • Plate 2 x 4 Dark Green Part 3020 Element 6618075 or 4586057 ×2
  • Plate Round 1 x 1 with Open Stud Dark Green Part 85861 Element 6230571 1 spare in the box ×1
  • Tile Special 2 x 3 Pentagonal Dark Green Part 22385 Element 6285134 ×2
  • Tile Special 2 x 3 Pentagonal with Gold Shield, Asian Symbol Print Dark Green Part 22385pr9963 Element 6421048 ×2

Medium Nougat 2 pieces

  • Plate Special 1 x 2, Top Clip [Open O] Medium Nougat Part 44861 Element 6347304 ×2

Trans-Bright Green 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Bright Green Part 6141 Element 6514053 or 6240206 1 spare in the box ×2

Trans-Orange 2 pieces

  • Plate 1 x 2 Trans-Orange Part 3023 Element 6514005 or 6240217 ×2

Blue 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1

Flat Silver 1 piece

  • Weapon Sword, Big Blade with Bar Flat Silver Part 98137 Element 6378729 or 6270132 ×1

Minifigures 2 figures

  • Bone Warrior Minifigure, checked as a whole figure ×1
  • Lloyd - Gold 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.