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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 Frozen Peaks

Checking

21243 The Frozen Peaks

288 pieces in 105 part and color combinations, plus 3 minifigures.

The official piece count includes the 16 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 85 pieces

  • Brick 2 x 3 Dark Bluish Gray Part 3002 Element 4211105 ×2
  • Brick 1 x 2 Dark Green Part 3004 Element 6618072 or 4245570 ×2
  • Brick 1 x 4 Dark Green Part 3010 Element 6618074 or 4245571 ×2
  • Brick 2 x 2 Dark Green Part 3003 Element 6214611 or 4271436 ×1
  • Brick 2 x 4 Dark Green Part 3001 Element 4260493 ×3
  • Brick 1 x 1 Dark Tan Part 3005 Element 6001824 or 4497070 ×9
  • Brick 2 x 2 Dark Tan Part 3003 Element 4497068 or 4255416 ×4
  • Brick 1 x 12 Light Bluish Gray Part 6112 Element 4211522 ×1
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×2
  • Brick 1 x 6 Light Bluish Gray Part 3009 Element 4211393 ×1
  • Brick 2 x 2 Light Bluish Gray Part 3003 Element 4211387 ×9
  • Brick 2 x 2 Corner Light Bluish Gray Part 2357 Element 4211349 ×1
  • Brick 2 x 4 Light Bluish Gray Part 3001 Element 4211385 ×10
  • Brick 2 x 6 Light Bluish Gray Part 2456 Element 4274668 or 4211795 ×1
  • Brick 2 x 2 Medium Blue Part 3003 Element 4205047 or 4201235 ×11
  • Brick 2 x 4 Medium Blue Part 3001 Element 4205058 or 4201236 ×14
  • Brick 1 x 2 with Reddish Brown and Dark Brown Lines Print Medium Nougat Part 3004pr0014 Element 6097024 ×2
  • Brick 2 x 2 Reddish Brown Part 3003 Element 4211210 ×4
  • Brick 1 x 2 with Black 'TNT' Pixelated Print White Part 3004pr0036 Element 6097028 ×2
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×4

Plates 74 pieces

  • Plate 1 x 8 Bright Light Blue Part 3460 Element 6372125 ×2
  • Plate 4 x 12 Dark Bluish Gray Part 3029 Element 4210706 ×1
  • Plate 4 x 4 Corner Dark Bluish Gray Part 2639 Element 4539429 ×1
  • Plate 6 x 10 Dark Orange Part 3033 Element 6263971 ×1
  • Plate 1 x 1 Dark Tan Part 3024 Element 4549436 or 4497084 1 spare in the box ×2
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 ×1
  • Plate 2 x 2 Corner Dark Tan Part 2420 Element 4550168 ×3
  • Plate 1 x 2 Green Part 3023 Element 302328 ×2
  • Plate 1 x 4 Green Part 3710 Element 371028 ×2
  • Plate 2 x 4 Green Part 3020 Element 302028 ×1
  • Plate 4 x 6 Green Part 3032 Element 4116671 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 1 spare in the box ×12
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×1
  • Plate 16 x 16 Light Bluish Gray Part 91405 Element 4620130 ×1
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×3
  • Plate 2 x 2 Medium Blue Part 3022 Element 4653540 or 4629787 ×3
  • Plate 2 x 6 Medium Blue Part 3795 Element 6101858 or 4598008 ×1
  • Plate 1 x 1 Red Part 3024 Element 302421 1 spare in the box ×3
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Plate 1 x 1 Reddish Brown Part 3024 Element 4221744 1 spare in the box ×3
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×4
  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2
  • Plate 2 x 6 Reddish Brown Part 3795 Element 4211247 ×1
  • Plate 1 x 1 Sand Green Part 3024 Element 6099189 or 4642429 1 spare in the box ×2
  • Plate 2 x 2 Corner Sand Green Part 2420 Element 6282619 or 4633697 ×1
  • Plate 2 x 4 Sand Green Part 3020 Element 6249817 or 6078098 ×2
  • Plate 1 x 1 Trans-Orange Part 3024 Element 6513961 or 6252040 1 spare in the box ×3
  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 1 spare in the box ×3
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×3
  • Plate 2 x 2 Corner White Part 2420 Element 6548254 or 242051 ×1
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×2

Tiles 38 pieces

  • Tile 2 x 2 with Groove Bright Light Blue Part 3068b Element 6162894 or 4213243 ×17
  • Tile 2 x 4 with Groove Dark Bluish Gray Part 87079 Element 4560184 ×2
  • Tile 2 x 2 with Dark Brown Minecraft Grid Print (Crafting Table) Medium Nougat Part 3068bpr0236 Element 6097003 ×1
  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×1
  • Tile 1 x 2 with Groove Reddish Brown Part 3069b Element 4211151 ×1
  • Tile 1 x 2 with Groove Sand Green Part 3069b Element 4616578 or 4504803 ×2
  • Tile 1 x 3 Sand Green Part 63864 Element 6202626 or 4655077 ×1
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×2
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×2
  • Tile 2 x 4 with Groove White Part 87079 Element 6548271 or 4560178 ×7

Plates Special 33 pieces

  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Bluish Gray Part 87580 Element 6126083 or 4565322 ×6
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Tan Part 87580 Element 6126075 or 4578032 ×7
  • Bracket 1 x 2 - 2 x 2 Light Bluish Gray Part 44728 Element 6117967 or 6009014 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×3
  • Plate Special 1 x 2 with Pin Hole Underneath Reddish Brown Part 18677 Element 6192310 or 6178035 ×1
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Reddish Brown Part 41740 Element 6257604 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Sand Green Part 87580 Element 6186826 ×1
  • Plate Special 1 x 2 with Door Rail White Part 32028 Element 6550168 or 4249563 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) White Part 87580 Element 6550157 or 6126046 ×11

Plates Round Curved and Dishes 28 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×3
  • Plate Round 1 x 1 with Solid Stud Bright Green Part 6141 Element 6109808 1 spare in the box ×4
  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×2
  • Plate Round 1 x 1 with Open Stud Red Part 85861 Element 6223427 1 spare in the box ×3
  • Plate Round 1 x 1 with Solid Stud Reddish Brown Part 6141 Element 4216581 1 spare in the box ×3
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Sand Blue Part 2654 Element 6400307 ×1
  • Plate Round 1 x 1 with Solid Stud Tan Part 6141 Element 4161734 or 614105 1 spare in the box ×4
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×4

Plants & Trees 5 pieces

  • Plant, Flower Stem with Bottom Bar Green Part 24855 Element 6269971 or 6135278 1 spare in the box ×1
  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Green Part 24866 Element 6135287 1 spare in the box ×3
  • Plant, Cherries Red Part 22667 Element 6100565 or 6062390 1 spare in the box ×1

Containers 4 pieces

  • Bucket 1 x 1 x 1 Handle Dark Tan Part 95344 Element 6245275 or 4626884 1 spare in the box ×1
  • Bucket 1 x 1 x 1 Light Bluish Gray Part 95343 Element 6057487 ×1
  • Treasure Chest Bottom with Rear Slots, No Groove Medium Nougat Part 4738c Element 6102984 ×1
  • Treasure Chest Lid, Flat with 2 Studs Medium Nougat Part 80835 Element 6394960 ×1

Tiles Round and Curved 4 pieces

  • Tile Round 1 x 1 Light Aqua Part 98138 Element 6398079 or 6322818 1 spare in the box ×2
  • Tile Round 1 x 2 Tan Part 1126 Element 6507789 or 6397819 ×2

Bricks Sloped 3 pieces

  • Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Dark Tan Part 22388 Element 6405699 1 spare in the box ×3

Minifig Accessories 3 pieces

  • Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Dark Brown Part 64644 Element 4538950 ×3

Minifig Shields, Weapons, & Tools 3 pieces

  • Tool Pickaxe Blocky, Double Medium Azure Part 18789 Element 6093629 ×1
  • Weapon Sword Blocky Medium Azure Part 18787 Element 6093623 ×1
  • Weapon Bow and Arrow, Blocky Reddish Brown Part 18792 Element 6089103 ×1

Bricks Special 2 pieces

  • Brick Special 1 x 2 with Groove White Part 4216 Element 6619288 or 4264360 ×2

Hinges, Arms and Turntables 2 pieces

  • Hinge Brick 1 x 2 Top Plate Thin Light Bluish Gray Part 3938 Element 4211470 ×1
  • Hinge Brick 1 x 2 Base White Part 3937 Element 6619287 or 393701 ×1

Animal / Creature Body Parts 1 piece

  • Animal Body Part, Goat Head 1 x 2 with Black Eyes and Nose Print White Part 01648pr0001 Element 6397842 ×1

Technic Bricks 1 piece

  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 ×1

Technic Pins 1 piece

  • Technic Pin without Friction Ridges Lengthwise Yellow Part 3673 Element 6331822 1 spare in the box ×1

Tiles Special 1 piece

  • Tile Special 2 x 2 Inverted White Part 11203 Element 6564913 or 6013866 ×1

Minifigures 3 figures

  • Creeper Minifigure, checked as a whole figure ×1
  • Steve in Bright Green Helmet and Armor Minifigure, checked as a whole figure ×1
  • Stray, Pearl Gold 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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