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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.

Cat Playground Adventure

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42612 Cat Playground Adventure

79 pieces in 45 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 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

Plates 13 pieces

  • Plate 1 x 8 Bright Light Orange Part 3460 Element 6192205 ×1
  • Plate 2 x 4 Bright Light Orange Part 3020 Element 6097511 ×2
  • Plate 1 x 2 Dark Turquoise Part 3023 Element 6213777 or 4218493 ×2
  • Plate 1 x 6 Dark Turquoise Part 3666 Element 6291782 ×2
  • Plate 2 x 3 Dark Turquoise Part 3021 Element 6249417 or 4121834 ×2
  • Plate 6 x 6 Lime Part 3958 Element 4525858 ×2
  • Plate 2 x 8 Tan Part 3034 Element 4113988 or 303405 ×1
  • Plate 4 x 4 Yellow Part 3031 Element 4243817 or 303124 ×1

Bricks Curved 11 pieces

  • Brick Curved 4 x 1 Double, No Studs Bright Light Orange Part 93273 Element 6133826 ×1
  • Brick Arch 1 x 4 x 2 Bright Light Yellow Part 6182 Element 6102580 ×5
  • Brick Curved 2 x 1 with Inverted Cutout Bright Light Yellow Part 78666 Element 6380628 ×2
  • Brick Curved 1 x 4 x 2/3 Double, No Studs Dark Orange Part 79756 Element 6439724 ×2
  • Brick Curved 2 x 2 x 2/3 Tan Part 15068 Element 6046924 ×1

Plates Round Curved and Dishes 7 pieces

  • Plate Round Corner 3 x 3 Dark Turquoise Part 30357 Element 6251838 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Green Part 35480 Element 6210271 ×2
  • Plate Round Corners 2 x 6 Double Lime Part 18980 Element 6173012 ×1

Tiles 7 pieces

  • Tile 2 x 2 with Groove Dark Orange Part 3068b Element 6186423 ×1
  • Tile 2 x 4 with Groove Light Bluish Gray Part 87079 Element 4560183 ×4
  • Tile 2 x 4 with Dark Tan Stained Blanket Print Tan Part 87079pr0322 Element 6466184 ×1
  • Tile 1 x 2 with Groove Trans-Light Blue Part 3069b Element 6514224 or 6251295 ×1

Bricks Round and Cones 6 pieces

  • Brick Round 2 x 2 [Grill] Tan Part 92947 Element 4650647 or 4612717 ×6

Bricks Special 6 pieces

  • Brick Special 1 x 2 with Vertical Clip [Open O Clip] Medium Azure Part 30237b Element 6391117 or 6383301 ×2
  • Brick Special 1 x 2 with Grille Tan Part 2877 Element 4655900 or 4278250 ×3
  • Brick Special 1 x 2 with Pin - Bottom Stud Holder Tan Part 44865 Element 6395748 ×1

Bricks Sloped 5 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Magenta Part 85984 Element 6215168 ×2
  • Brick Sloped 33° 3 x 4 Medium Azure Part 3297 Element 6424705 or 6174274 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Tan Part 85984 Element 4624086 ×2

Animals / Creatures 4 pieces

  • Animal, Cat, Sitting with Dark Bluish Grey Face, Bright Light Blue Eyes, Collar Print (Gertrude) Light Bluish Gray Part 11602pr0030 Element 6416450 ×1
  • Animal, Cat, Chubby with Bright Light Yellow Ears, Paws, and Mouth, Lime Eyes Print (Poundcake) Orange Part 2652pr0043 Element 6466183 ×1
  • Animal, Fish [Hollow Stud Mouth] Orange Part 64648 Element 4623481 ×1
  • Animal, Fish [Hollow Stud Mouth] Yellowish Green Part 64648 Element 6291414 ×1

Bricks 4 pieces

  • Brick 1 x 2 x 2 with Inside Stud Holder Yellow Part 3245c Element 4121625 ×4

Minifig Accessories 4 pieces

  • Equipment Hairbrush Short Handle [10mm] Bright Pink Part 3852b Element 6099370 or 4654107 ×1
  • Equipment Shovel [Rounded Handle End] Flat Silver Part 3837 Element 6210601 or 6038687 ×1
  • Tap 1 x 1 without Hole in Spout Light Bluish Gray Part 4599b Element 4211503 1 spare in the box ×1
  • Equipment Whip - Bent Red Part 88704 Element 6359866 or 6310992 1 spare in the box ×1

Tiles Round and Curved 4 pieces

  • Tile Round Corners 4 x 4 x 2/3 Bright Light Orange Part 68869 Element 6316439 ×1
  • Tile Round 1 x 1 with Animal Track Print Medium Nougat Part 98138pr0056 Element 6287856 or 6152676 1 spare in the box ×2
  • Tile Round 1 x 1 with Ladybug / Ladybird Print Red Part 98138pr9989 Element 6324417 1 spare in the box ×1

Plates Special 3 pieces

  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Bright Light Orange Part 18674 Element 6133933 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Medium Azure Part 60470b Element 6337269 or 6237716 ×1

Plants & Trees 2 pieces

  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×2

Technic Connectors 1 piece

  • Technic Pin Connector Round [Slotted] Dark Turquoise Part 62462 Element 6295152 ×1

Technic Pins 1 piece

  • Technic Pin 1/2 without Friction Ridges White Part 4274 Element 6552190 or 6388018 1 spare in the box ×1

Windscreens and Fuselage 1 piece

  • Windscreen 6 x 2 x 2 with Handle Magenta Part 92474 Element 6514180 or 6469661 ×1

Minifigures 2 figures

  • Olly - Animal Print Shirt, Dark Azure Pants, White Shoes Minifigure, checked as a whole figure ×1
  • Liann - Lime and Coral Shirt, Bright Light Orange Shorts 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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