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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.

Playground Set

Checking

45017 Playground Set

106 pieces in 68 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 97 pieces

  • Duplo Ball Tube 45° Turn Blue Part 31195 Element 4562878 or 4114706 ×2
  • Duplo Brick 2 x 2 x 2 Blue Part 31110 Element 4100791 ×1
  • Duplo Playground Slide Straight with Two Top Studs Blue Part 93150 Element 6038226 or 4600040 ×2
  • Duplo Swing Frame Blue Part 6496 Element 4548536 ×1
  • Duplo Brick 2 x 2 Bright Green Part 3437 Element 4583789 or 4168579 ×1
  • Duplo Brick 2 x 2 Pin on Side Bright Green Part 3966 Element 4500333 or 4224085 ×2
  • Duplo Brick 2 x 2 Slope 45° Bright Green Part 6474 Element 4583530 ×1
  • Duplo Plant Bush / Tree Top / Rock Pile with 2 studs Bright Green Part 64132 Element 4537437 ×3
  • Duplo Plant, Flower with 1 Top Stud Bright Green Part 6510 Element 4121575 ×1
  • Duplo Plate 2 x 4 Bright Green Part 40666 Element 4170795 ×2
  • Duplo Plate 4 x 8 Bright Green Part 4672 Element 6048851 or 4279293 ×3
  • Duplo Plate 8 x 16 Bright Green Part 6490 Element 4529254 or 4521771 ×1
  • Duplo Plate 8 x 8 Bright Green Part 51262 Element 6012372 or 4246953 ×3
  • Duplo Brick 2 x 2 Dark Orange Part 3437 Element 4583791 or 4158534 ×1
  • Duplo Shovel / Spade with 'D' Handle Light Bluish Gray Part 51269 Element 6028006 or 4244408 ×1
  • Duplo Turntable 2 x 2 Light Bluish Gray Part 10888 Element 6022244 ×1
  • Duplo Brick 2 x 2 x 2 Lime Part 31110 Element 4566313 ×1
  • Duplo Plate 2 x 4 Lime Part 40666 Element 4185178 ×4
  • Duplo Brick 1 x 2 x 2 with Bottom Tube Orange Part 76371 Element 6250127 or 6101120 ×2
  • Duplo Brick 2 x 2 x 2 Orange Part 31110 Element 4566312 ×1
  • Duplo Brick 2 x 4 Orange Part 3011 Element 4290078 or 4158403 ×2
  • Duplo Brick 2 x 6 Lower Flap Extensions Orange Part 31453 Element 4521751 ×1
  • Duplo Plant, Flower with 1 Top Stud Orange Part 6510 Element 4224677 or 4217971 ×1
  • Duplo Plate 2 x 4 Orange Part 40666 Element 4183518 ×2
  • Duplo Ball Tube Straight Red Part 31452 Element 4521071 or 4143551 ×2
  • Duplo Brick 2 x 2 Red Part 3437 Element 4583321 or 343721 ×4
  • Duplo Brick 2 x 2 Slope 45° Red Part 6474 Element 647421 ×1
  • Duplo Brick 2 x 2 x 2 Red Part 31110 Element 4107909 ×4
  • Duplo Brick 2 x 3 Red Part 87084 Element 4558881 ×1
  • Duplo Brick 2 x 4 Red Part 3011 Element 4583326 or 4290074 ×4
  • Duplo Brick 2 x 6 Red Part 2300 Element 4290387 or 230021 ×1
  • Duplo Door Frame 2 x 4 x 5 Red Part 92094 Element 4651798 ×1
  • Duplo Plant, Flower with 1 Top Stud Red Part 6510 Element 4100774 ×2
  • Duplo Plate 2 x 8 Red Part 44524 Element 4541332 ×2
  • Duplo Swing Seat Red Part 6514 Element 4255287 or 4255284 ×1
  • Duplo Log Bridge Reddish Brown Part 31062 Element 4520328 ×1
  • Duplo Plant Tree Trunk Segment Base Reddish Brown Part 6411 Element 4250199 or 4211167 ×1
  • Duplo Brick 2 x 2 Tan Part 3437 Element 4583322 or 4166963 ×1
  • Duplo Door / Window with Four Equal Square Cornered Panes White Part 90265 Element 4586178 ×1
  • Duplo Door 1 x 4 x 4 with Four Panes, Different Size and Curved Top White Part 31023 Element 3102301 ×1
  • Duplo Tile 2 x 2 with Number '0' Print White Part 6309pr0070 Element 6039746 or 4520746 ×1
  • Duplo Tile 2 x 2 with Number '1' Print White Part 6309pr0061 Element 6039735 or 4520737 ×1
  • Duplo Tile 2 x 2 with Number '2' Print White Part 6309pr0062 Element 6039736 or 4520738 ×1
  • Duplo Tile 2 x 2 with Number '3' Print White Part 6309pr0063 Element 6039737 or 4520739 ×1
  • Duplo Tile 2 x 2 with Number '4' Print White Part 6309pr0064 Element 6039738 or 4520740 ×1
  • Duplo Tile 2 x 2 with Number '5' Print White Part 6309pr0065 Element 6039741 or 4520741 ×1
  • Duplo Tile 2 x 2 with Number '6' Print White Part 6309pr0066 Element 6039742 or 4520742 ×1
  • Duplo Tile 2 x 2 with Number '7' Print White Part 6309pr0067 Element 6039743 or 4520743 ×1
  • Duplo Tile 2 x 2 with Number '8' Print White Part 6309pr0068 Element 6039744 or 4520744 ×1
  • Duplo Tile 2 x 2 with Number '9' Print White Part 6309pr0069 Element 6039745 or 4520745 ×1
  • Duplo Ball Tube exit with round doorway 2 x 6 x 5 Yellow Part 31191 Element 4114704 ×1
  • Duplo Brick 2 x 2 Yellow Part 3437 Element 4583546 or 343724 ×3
  • Duplo Brick 2 x 2 Slope 45° Yellow Part 6474 Element 4118928 ×4
  • Duplo Brick 2 x 2 x 2 Yellow Part 31110 Element 4566620 or 4107911 ×1
  • Duplo Brick 2 x 4 Yellow Part 3011 Element 4290060 or 301124 ×2
  • Duplo Door / Window Frame Flat Front Surface, Completely Open Back Yellow Part 61649 Element 4595171 or 4541213 ×1
  • Duplo Plant, Flower with 1 Top Stud Yellow Part 6510 Element 4100853 ×4
  • Duplo Plate 2 x 4 Yellow Part 40666 Element 4160152 ×1
  • Duplo Vehicle Base 4 x 4 with 2 x 4 Studs and Black Wheels Yellow Part 42093 Element 4506411 ×2

Non-Buildable Figures (Duplo, Fabuland, etc) 6 pieces

  • Duplo Figure Child with Cap Lime, with Blue Shirt with 'SKATE' Print - Medium Nougat Face and Hands - Medium Blue Legs Blue Part 47511pr0006 Element 6233832 or 6221059 ×1
  • Duplo Figure Child with Pigtails Tan, with Bright Pink Top with Flowers and White Sleeves - Magenta Legs Bright Pink Part 47510pr0001 Element 6228509 or 6179298 ×1
  • Duplo Figure Child with Cap Red, with Light Bluish Gray Top with Medium Blue Sleeves over Green Shirt with '8' - Nougat Face and Hands - Blue Legs Light Bluish Gray Part 47511pr0004 Element 6233836 or 6179295 ×1
  • Duplo Figure Child with Cap Lime, with White Shirt under Blue Coveralls with Pocket - Freckles - Blue Legs White Part 47511pr0003 Element 6228511 or 6179287 ×1
  • Duplo Figure Child with Pigtails Reddish Brown, with Magenta Legs, and Shirt with Flowers Print White Part 47510pr0006 Element 6233810 or 6221054 ×1
  • Duplo Figure with Ponytail Tan, with Magenta Legs, White Top with Blue Trim Design, Blue Crescent Eyes White Part 75113pr0001 Element 6179314 or 6023960 ×1

Gear Parts 2 pieces

  • Activity Card 1, Set 45001-1 / 45017-1 [No Color/Any Color] Part 6102443 Element 6102443 ×1
  • Activity Card 2, Set 45001-1 / 45017-1 [No Color/Any Color] Part 6102444 Element 6102444 ×1

Technic Special 1 piece

  • Ball, Hard Plastic, 51mm (approx. 6 studs diameter) Yellow Part 41250 Element 6100937 or 4143294 ×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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