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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.

3in1 Tree House

Checking

10993 3in1 Tree House

126 pieces in 73 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.

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Piece checklist

Duplo, Quatro and Primo 121 pieces

  • Duplo Plate 2 x 3 with 4 Studs and Reinforced Hinge Black Part 65084 Element 6306660 ×1
  • Duplo Wheelbarrow with Thick Black Wheels Blue Part 92938 Element 4598300 or 4565956 ×1
  • Duplo Plant Bush / Tree Top / Rock Pile with 4 studs Bright Green Part 84194 Element 6435542 ×1
  • Duplo Plant, Flower with 1 Top Stud Bright Green Part 6510 Element 4121575 ×3
  • Duplo Round Rock / Bush / Space Crater 4 x 4 x 1.5 with 2 x 2 Hole Bright Green Part 23742 Element 6263781 ×1
  • Duplo Door / Lid, Chinese Effect Bright Light Orange Part 3240 Element 6421350 ×1
  • Duplo Brick 2 x 4 Bright Light Yellow Part 3011 Element 6294939 ×1
  • Duplo Door / Window Frame Flat Front Surface, Completely Open Back Bright Light Yellow Part 61649 Element 6294401 ×3
  • Duplo Musical Instrument Guitar Bright Light Yellow Part 65114 Element 6294549 ×1
  • Duplo Teapot [Plain] Bright Light Yellow Part 35735 Element 6462567 or 6295402 ×1
  • Duplo Plant, Flower with 1 Top Studs Bright Pink Part 84195 Element 6393149 ×1
  • Duplo Plant, Flower with 1 Top Studs Coral Part 84195 Element 6393151 ×1
  • Duplo Door Frame 2 x 4 x 5 Lavender Part 92094 Element 6294398 ×1
  • Duplo Umbrella with Stop Ring Lavender Part 40554 Element 6443877 ×1
  • Duplo Chair with no Back / Stool Light Aqua Part 65273 Element 6327081 ×1
  • Duplo Plant, Flower with 1 Top Stud Light Aqua Part 6510 Element 6294208 ×1
  • Duplo Animal Squirrel with Black and White Eyes on Tan Face Print Light Bluish Gray Part 18115pr0002 Element 6095870 ×1
  • Duplo Winch Drum Narrow Ridged with String and Black Hook Light Bluish Gray Part 14013c01 Element 6209823 or 6039794 ×1
  • Duplo Brick 2 x 2 - Grooved Pin on Side Lime Part 22881 Element 6127191 ×2
  • Duplo Flower 4 x 4 x 1 with 4 Top Studs Lime Part 15515 Element 6054622 ×2
  • Duplo Plate 6 x 12 Lime Part 4196 Element 6100462 or 6096402 ×1
  • Duplo Plate Round 4 x 8 Semi-Circle Lime Part 29304 Element 6208323 ×2
  • Duplo Brick 1 x 2 x 2 with Bottom Tube Medium Azure Part 76371 Element 6101124 ×2
  • Duplo Door / Window Frame Flat Front Surface, Completely Open Back Medium Azure Part 61649 Element 6137113 ×2
  • Duplo Flag Wavy 3 x 4 with Post Medium Azure Part 31925 Element 6338813 ×1
  • Duplo Plant, Flower with 1 Top Stud Medium Azure Part 6510 Element 6395621 ×1
  • Duplo Plate 2 x 4 Medium Azure Part 40666 Element 6211342 ×1
  • Duplo Playground Slide Curved Right 90°, Rounded Medium Azure Part 79790 Element 6443794 ×2
  • Duplo Watering Can Medium Azure Part 23990 Element 6132281 ×1
  • Duplo Brick 2 x 2 with Red Apples Print Medium Nougat Part 3437pr0176 Element 6440242 ×1
  • Duplo Brick 2 x 2 with Red Toadstools Print Medium Nougat Part 3437pr0166 Element 6386671 ×1
  • Duplo Hanging Log Bridge w/ Rotations Snap Medium Nougat Part 23927 Element 6443788 ×1
  • Duplo Tile 2 x 4 with Wood Grain Pattern Medium Nougat Part 65109 Element 6392990 ×3
  • Duplo Food Pumpkin Orange Part 35087 Element 6390766 or 6208486 ×1
  • Duplo Chair with no Back / Stool Red Part 65273 Element 6287571 ×1
  • Duplo Container Wooden-Style Crate Red Part 6446 Element 6224251 ×1
  • Duplo Plant, Flower with 1 Top Studs Red Part 84195 Element 6387973 ×1
  • Duplo Skateboard with Bright Light Yellow Wheels Red Part 2319c01 Element 6421390 ×1
  • Duplo Brick 1 x 2 x 2 with Bottom Tube Reddish Brown Part 76371 Element 6333510 or 6213445 ×2
  • Duplo Brick 2 x 2 Reddish Brown Part 3437 Element 6390099 or 4641062 ×6
  • Duplo Brick 2 x 3 with Curved Bottom Reddish Brown Part 98252 Element 6386987 ×9
  • Duplo Brick 2 x 4 Reddish Brown Part 3011 Element 6224248 or 4641063 ×7
  • Duplo Brick Round 2 x 2 with Radiating Bars (Camp Fire / Nest) Reddish Brown Part 31070 Element 6252069 or 4279100 ×1
  • Duplo Brick Round 2 x 2 x 2 Reddish Brown Part 98225 Element 6390995 ×6
  • Duplo Plant Tree Trunk 4 x 10 x 4 with Two Branches Reddish Brown Part 84191 Element 6393601 ×2
  • Duplo Plate 2 x 4 Reddish Brown Part 40666 Element 4251777 ×5
  • Duplo Plate 2 x 6 Reddish Brown Part 98233 Element 4657358 ×1
  • Duplo Plate 4 x 4 Reddish Brown Part 14721 Element 6256693 ×3
  • Duplo Plate Round 4 x 8 Semi-Circle Reddish Brown Part 29304 Element 6214593 ×1
  • Duplo Equipment, Broom / Brush, Short Bristles Tan Part 70675 Element 6323949 ×1
  • Duplo Plate 4 x 6 Tan Part 25549 Element 6443793 ×4
  • Duplo Brick 2 x 2 Trans-Yellow Part 3437 Element 6507901 or 6201836 ×1
  • Duplo Animal Cat / Kitten Sitting with Gray Nose and Chest Print White Part 17865pr0001 Element 6112706 ×1
  • Duplo Blanket 6 x 6 with Nuts and Squirrels Pattern White Part 20409pat0002 Element 6437194 ×1
  • Duplo Brick 2 x 2 x 1 1/2 with Curved Top, Rainbow on Left Side, Rain Cloud on Right Side Print White Part 11170pr0021 Element 6440239 ×1
  • Duplo Brick 2 x 2 x 1 1/2 with Curved Top, Rainbow on Right Side, Rain Cloud on Left Side Print White Part 11170pr0022 Element 6440240 ×1
  • Duplo Cone / Ice Cup White Part 27383 Element 6210049 ×1
  • Duplo Dish with Strawberries Print White Part 31333pr0011 Element 6327524 ×1
  • Duplo Door / Window White Part 26249 Element 6147220 ×2
  • Duplo Door / Window with Four Equal Square Cornered Panes White Part 90265 Element 4586178 ×2
  • Duplo Door 1 x 4 x 4 with Four Panes, Same Size and Curved Top White Part 67872 Element 6313820 ×1
  • Duplo Ladder with 3 Studs White Part 3519 Element 6435543 ×2
  • Duplo Animal Bird with White Chest and Orange Beak Print Yellow Part 27370pr0005 Element 6250014 or 6174302 ×1
  • Duplo Chair with no Back / Stool Yellow Part 65273 Element 6287579 ×1
  • Duplo Plant, Flower with 1 Top Studs Yellow Part 84195 Element 6393150 ×2
  • Duplo Brick 2 x 2 Yellowish Green Part 3437 Element 6209859 or 4648235 ×1
  • Duplo Flower 4 x 4 x 1 with 4 Top Studs Yellowish Green Part 15515 Element 6391043 ×2
  • Duplo Round Rock / Bush / Space Crater 4 x 4 x 1.5 with 2 x 2 Hole Yellowish Green Part 23742 Element 6391782 ×2

Non-Buildable Figures (Duplo, Fabuland, etc) 5 pieces

  • Duplo Figure with Hair Swept Right Lavender, with Bright Light Yellow Legs, Magenta Shirt with Cat Head Print, White Glasses Bright Light Blue Part 65242c01pr9999 Element 6444490 ×1
  • Duplo Figure Child, Hair Combed Forward with Curl Dark Orange, Bright Green Legs, Jacket with Pockets and Zipper Print Dark Azure Part 18823pr9999 Element 6443276 ×1
  • Duplo Figure Child with Short Wavy Hair Black, White Legs, Bright light Yellow Stars Print Dark Turquoise Part 38909pr0019 Element 6444500 ×1
  • Duplo Figure Child with Hair and Bike Helmet Yellowish Green, Blue Legs, Jacket, Music Note Print Lime Part 102220pr0001 Element 6424661 ×1
  • Duplo Figure Child with Two Buns on Top and Long Bangs Reddish Brown, With Light Aqua Legs, Coral and White Stripes on Shirt Print White Part 65245pr0037 Element 6290980 ×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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