The Workshop Sheet 10 of 19

LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Olivia's Summer Heart Box

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41387 Olivia's Summer Heart Box

81 pieces in 39 part and color combinations, plus 2 minifigures.

The official piece count includes the 12 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

Dark Azure 18 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Azure Part 99780 Element 6152110 ×2
  • Plate 1 x 1 Dark Azure Part 3024 Element 6151664 or 6089779 1 spare in the box ×2
  • Plate 6 x 6 Dark Azure Part 3958 Element 6211361 ×1
  • Plate Round Corner 3 x 3 Dark Azure Part 30357 Element 6210388 ×4
  • Tile 1 x 2 with Groove Dark Azure Part 3069b Element 6151659 ×3
  • Tile 1 x 6 with Groove Dark Azure Part 6636 Element 6164336 ×2
  • Tile 2 x 2 Curved, Macaroni Dark Azure Part 27925 Element 6199897 ×4

Coral 11 pieces

  • Brick 1 x 1 Coral Part 3005 Element 6422915 or 6264956 ×2
  • Brick 1 x 2 Coral Part 3004 Element 6258572 ×3
  • Brick 1 x 6 Coral Part 3009 Element 6264957 ×2
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Coral Part 85080 Element 6526034 or 6258577 ×4

Light Aqua 11 pieces

  • Brick 1 x 1 Light Aqua Part 3005 Element 6236576 or 6101288 ×2
  • Brick 1 x 2 Light Aqua Part 3004 Element 6022032 ×1
  • Brick 1 x 6 Light Aqua Part 3009 Element 6227921 or 4616203 ×2
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Light Aqua Part 85080 Element 6469818 or 6211369 ×4
  • Brick Sloped 45° 2 x 2 Light Aqua Part 3039 Element 6383299 or 6264958 ×2

Bright Light Yellow 10 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bright Light Yellow Part 15573 Element 6554795 or 6195266 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Bright Light Yellow Part 87580 Element 6375350 or 6264955 ×2
  • Tile 1 x 2 with Groove Bright Light Yellow Part 3069b Element 6554794 or 6061201 ×1
  • Tile 2 x 4 with Groove Bright Light Yellow Part 87079 Element 6554797 or 6210674 ×2
  • Tile Round 1 x 1 Quarter Bright Light Yellow Part 25269 Element 6554798 or 6228969 1 spare in the box ×4

Medium Azure 8 pieces

  • Tile 2 x 4 with Groove Medium Azure Part 87079 Element 6097042 ×4
  • Tile Round 1 x 1 Quarter Medium Azure Part 25269 Element 6603341 or 6150370 1 spare in the box ×4

Dark Pink 7 pieces

  • Brick Curved 2 x 2 x 2/3 Dark Pink Part 15068 Element 6222189 ×1
  • Plate 6 x 6 Dark Pink Part 3958 Element 6267536 ×1
  • Plate Round Corner 3 x 3 Dark Pink Part 30357 Element 6249120 ×4
  • Tile 2 x 4 with 'Olivia' on Medium Blue/White Checkered Back, Donut Print Dark Pink Part 87079pr0198 Element 6266906 ×1

White 4 pieces

  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] White Part 2654 Element 6601843 or 6552259 ×2

Black 3 pieces

  • Food Hot Dog / Sausage Black Part 33078 Element 6156414 or 4613736 1 spare in the box ×1
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×2

Dark Bluish Gray 2 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×2

Light Bluish Gray 2 pieces

  • Plate Special 1 x 2 Side Handle [Free Ends] Light Bluish Gray Part 2540 Element 4211632 ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side Light Bluish Gray Part 11476 Element 6313114 or 6028812 ×1

Trans-Orange 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×2

Flat Silver 1 piece

  • Tile Round 1 x 1 with Gauge and Red Pointer Print Flat Silver Part 98138pr0012 Element 6287877 or 6030333 ×1

Red 1 piece

  • Food Hot Dog / Sausage Red Part 33078 Element 6144805 or 4520952 1 spare in the box ×1

Tan 1 piece

  • Food Hot Dog Bun Tan Part 25386 Element 6413060 or 6147214 ×1

Minifigures 2 figures

  • Olivia - Dark Pink Top, Dark Pink Skirt Minifigure, checked as a whole figure ×1
  • Zobo - Dark Blue Cap, Roller Skate 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.