Free tool

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.

MASTERPIECE Discover Set

Checking

45825 MASTERPIECE Discover Set

60 pieces in 30 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

Red 9 pieces

  • Duplo Brick 2 x 4 Red Part 3011 Element 4583326 or 4290074 ×5
  • Duplo Camera Red Part 24806 Element 6464795 or 6259327 ×1
  • Duplo Figure Child with Ponytails and Bangs Black, Red Top with Rocket Ship Print - Nougat Face and Hands - Dark Azure Legs Red Part 18825pr0032 Element 6255022 ×1
  • Duplo Flippers Red Part 43871 Element 6259213 ×1
  • Duplo Gear 6 x 6 - 12 Tooth Red Part 26835 Element 6167508 ×1

White 7 pieces

  • Duplo Brick 1 x 2 x 2 with Camera and Video Intercom Print White Part 76371pr0149 Element 6252417 ×1
  • Duplo Brick 2 x 2 White Part 3437 Element 343701 ×2
  • Duplo Dish / Radar 3 x 3 White Part 92009 Element 6345248 or 6210598 ×2
  • Duplo Figure Child with Long Hair and Cap Coral, Bright Light Blue Legs, Striped Shirt with Heart Print White Part 72152pr0058 Element 6376729 ×1
  • Duplo Figure Child with Short Wavy Hair Brown, Light Bluish Gray Legs, Jacket over Striped Shirt Print White Part 38909pr0056 Element 6361964 ×1

Yellow 7 pieces

  • Duplo Brick 2 x 4 Yellow Part 3011 Element 4290060 or 301124 ×5
  • Duplo Brick Special 2 x 2 x 2, Star Yellow Part 72134 Element 6324162 ×1
  • Duplo Trophy Cup with Number 1 in Shield - Closed Handles, Deep Notches Yellow Part 73241 Element 6127196 or 6053877 ×1

Blue 5 pieces

  • Duplo Brick 2 x 4 Blue Part 3011 Element 4290075 or 301123 ×5

Green 5 pieces

  • Duplo Brick 2 x 4 Green Part 3011 Element 4290071 or 301128 ×5

Medium Blue 5 pieces

  • Duplo Brick 2 x 4 Medium Blue Part 3011 Element 4290088 or 4167177 ×5

Orange 5 pieces

  • Duplo Brick 2 x 4 Orange Part 3011 Element 4290078 or 4158403 ×5

Dark Bluish Gray 4 pieces

  • Duplo Brick 2 x 2 x 2 with Vertical Grooves Dark Bluish Gray Part 41978 Element 6030503 or 4249990 ×4

Medium Azure 3 pieces

  • Duplo Brick 1 x 3 x 2 Round Top, Cut Away Sides with Clock Face Print Medium Azure Part 14222pr0011 Element 6286248 ×1
  • Duplo Cone 2 x 2 Square Base Medium Azure Part 47408 Element 6252014 ×1
  • Duplo Gear 4 x 4 - 8 Tooth Medium Azure Part 26832 Element 6167507 ×1

Bright Light Yellow 2 pieces

  • Duplo Musical Instrument Guitar Bright Light Yellow Part 65114 Element 6294549 ×1
  • Duplo Wand, with 5 Pointed Star Top Bright Light Yellow Part 16499 Element 6438986 ×1

Pearl Gold 2 pieces

  • Duplo Shower Faucet Pearl Gold Part 15327 Element 6091453 ×2

[No Color/Any Color] 2 pieces

  • Backdrop for Set 45825-1, Museum / Stage [No Color/Any Color] Part 6451643 Element 6451643 ×1
  • Backdrop for Set 45825-1, Ocean / Forest [No Color/Any Color] Part 6451644 Element 6451644 ×1

Bright Green 1 piece

  • Duplo Plate 8 x 16 Bright Green Part 6490 Element 4529254 or 4521771 ×1

Coral 1 piece

  • Duplo Figure Child with Hair and Cap Bright Light Yellow, Light Bluish Gray Legs, Hoodie Print Coral Part 69711pr0001 Element 6323946 ×1

Lime 1 piece

  • Duplo Plant / Leaf Lime Part 3118 Element 6421351 ×1

Trans-Green 1 piece

  • Duplo Plant / Tree / Seaweed Trans-Green Part 43852 Element 6259183 ×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.