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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.

Mia's Puppy House

Checking

3934 Mia's Puppy House

79 pieces in 42 part and color combinations, plus 1 minifigure.

LEGO counts 64 pieces. This inventory comes from a separate parts catalog and lists 83, including the 4 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.

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Piece checklist

Plants & Trees 14 pieces

  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Dark Pink Part 33291 Element 6170298 or 4216479 1 spare in the box ×2
  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 1 spare in the box ×2
  • Plant, Leaves 4 x 3 Green Part 2423 Element 6268814 or 242328 ×4
  • Plant, Flower - Small White Part 3742 1 spare in the box ×3
  • Plant, Flower - Small Yellow Part 3742 1 spare in the box ×3

Bricks 13 pieces

  • Brick 1 x 3 Dark Pink Part 3622 Element 6602935 or 4618655 ×2
  • Brick 2 x 2 Corner Reddish Brown Part 2357 Element 4211200 ×1
  • Brick 1 x 1 Tan Part 3005 Element 4113915 or 300505 ×2
  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×2
  • Brick 1 x 3 Tan Part 3622 Element 4162465 or 4113920 ×4
  • Brick 2 x 2 Corner White Part 2357 Element 6552088 or 6548253 ×2

Bricks Sloped 10 pieces

  • Brick Sloped 45° 2 x 3 Dark Pink Part 3038 Element 4618653 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Reddish Brown Part 3040b Element 4211199 ×1
  • Brick Sloped 45° 2 x 2 Reddish Brown Part 3039 Element 4211202 ×2
  • Brick Sloped Inverted 34° 3 x 1 with Internal Stopper Reddish Brown Part 4287b ×1
  • Brick Sloped Inverted 45° 2 x 1 Tan Part 3665 Element 4159196 or 366505 ×2

Minifig Accessories 9 pieces

  • Equipment Dish / Plate / Bowl 3 x 3 [Plain] Bright Light Orange Part 6256 Element 4243920 ×1
  • Equipment Animal Grooming Kit Award Ribbon with Number 1 Dark Pink Part 94718 ×1
  • Equipment Animal Grooming Kit Award Ribbon with Number 2 Dark Pink Part 94722 ×1
  • Equipment Animal Grooming Kit Brush Oval, Large Dark Pink Part 94720 ×2
  • Equipment Animal Grooming Kit Brush Round, Small Dark Pink Part 94721 ×1
  • Equipment Animal Grooming Kit Comb, Small with Heart Dark Pink Part 94719 ×1
  • Equipment Animal Grooming Kit Sponge Dark Pink Part 94723 ×1
  • Equipment Animal Grooming Kit Spray Bottle with Heart Dark Pink Part 94724 ×1

Minifig Headwear Accessories 8 pieces

  • Headwear Accessory Bow (Animal Grooming Kit) Dark Pink Part 94717 ×4
  • Headwear Accessory Bow with Heart (Animal Grooming Kit) Dark Pink Part 94725 ×4

Plates 6 pieces

  • Plate 6 x 8 Green Part 3036 Element 4507311 or 303678 ×1
  • Plate 2 x 4 Lime Part 3020 Element 4537936 or 4534667 ×1
  • Plate 4 x 4 Lime Part 3031 Element 4504850 or 4160080 ×1
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×1
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×2

Bricks Round and Cones 4 pieces

  • Cone 1 x 1 [Top Groove] Yellow Part 59900 Element 4525464 ×4

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×4

Bricks Special 3 pieces

  • Brick Special 1 x 1 with Stud on 1 Side White Part 87087 Element 6550190 or 4558952 ×3

Bricks Curved 2 pieces

  • Brick Arch 1 x 5 x 4 [Continuous Bow] Reddish Brown Part 2339 Element 4544167 or 4519927 ×1
  • Brick Arch 1 x 3 Tan Part 4490 Element 4618651 or 4519915 ×1

Animal / Creature Body Parts 1 piece

  • Animal Body Part, Dog Bone [Short] White Part 93160 Element 6360202 or 4600294 ×1

Animals / Creatures 1 piece

  • Animal, Dog, Small Standing with Patch over Eye and Spots Print White Part 93088pr0002 Element 6017039 or 4622071 ×1

Containers 1 piece

  • Barrel Half Large with Axle Hole Medium Blue Part 64951 Element 4546448 ×1

Minifig Neckwear 1 piece

  • Minifig Neckwear Basket [D Style] Lime Part 4523 Element 6515917 or 6269007 ×1

Technic Bricks 1 piece

  • Technic Brick 1 x 2 [1 Pin Hole] Reddish Brown Part 3700 Element 4211252 ×1

Tiles Round and Curved 1 piece

  • Tile Round 2 x 2 with Brown Paw Print Lime Part 4150pr0011 Element 4619769 ×1

Minifigures 1 figure

  • Mia - Light Aqua Top, Dark Blue Skirt 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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