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.

Tree Holiday Bauble

Checking

850851 Tree Holiday Bauble

26 pieces in 19 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.

Show

Piece checklist

Plates Round Curved and Dishes 7 pieces

  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 ×2
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 ×1
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 ×2
  • Dish 6 x 6 Inverted (Radar) with Solid Studs White Part 44375b Element 4514791 ×1
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 ×1

Bricks Sloped 6 pieces

  • Brick Sloped 33° 3 x 1 Green Part 4286 Element 4107637 or 428628 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Green Part 3040b Element 4121969 or 4109668 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 ×2

Plates 5 pieces

  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×1

Plates Special 4 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Red Part 3794b Element 379421 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) White Part 3794b ×1
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Yellow Part 3794b Element 379424 ×1

Bricks Round and Cones 3 pieces

  • Cone 1 x 1 [Top Groove] Green Part 59900 Element 4529239 ×1
  • Dome Hemisphere [Bauble Half] with White Dots Print Trans-Clear Part 12708pr0001 Element 6261290 or 6045318 ×2

Bricks 1 piece

  • Brick 1 x 2 Reddish Brown Part 3004 Element 4613963 or 4211149 ×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.