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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.

Tech Machines

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45015 Tech Machines

97 pieces in 40 part and color combinations.

LEGO counts 95 pieces. This inventory comes from a separate parts catalog and lists 97; 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

Black 23 pieces

  • Duplo Plate 2 x 3 with 4 Studs and Hinge Black Part 13355 Element 6162007 or 6036787 ×1
  • Duplo Toolo Brick 4 x 6 with Holes on Sides and Top and 3 Screws in Top Black Part 86599 Element 6182798 or 4538987 ×7
  • Duplo Toolo Turntable 4 x 4 Base with Yellow Top Plate Black Part 86594 Element 6182698 or 4538975 ×2
  • Duplo Toolo Tyre (Tire) with Deep Tread Black Part 44970 Element 4186713 ×8
  • Duplo Train Crossing Gate Base / Crane Base with Bottom Hole Black Part 13358 Element 6036717 ×1
  • Duplo Tread, Thick Cleats Black Part 71981 Element 4141820 ×4

Dark Bluish Gray 22 pieces

  • Duplo Brick 2 x 2 Dark Bluish Gray Part 3437 Element 4583792 or 4583551 ×3
  • Duplo Plate 8 x 8 Dark Bluish Gray Part 51262 Element 6138736 or 4246959 ×1
  • Duplo Toolo Arm 2 x 11 with Triangular Set Screw End Dark Bluish Gray Part 74844 Element 6162831 or 6115611 ×2
  • Duplo Toolo Arm 2 x 6 with Triangular Set Screw and Clip Ends Dark Bluish Gray Part 74847 Element 6162840 or 6115610 ×5
  • Duplo Toolo Brick 2 x 2 with Angled Bracket with Forks and Two Screws, Holes at Side Dark Bluish Gray Part 45202 Element 6162848 or 6139201 ×4
  • Duplo Toolo Brick 2 x 2 with Holes and Clip on Bottom Dark Bluish Gray Part 74957 Element 6139202 or 6092101 ×2
  • Duplo Toolo Brick 2 x 4 with Holes on Sides and Top and 1 Screw in Top Dark Bluish Gray Part 31184c01 Element 6182719 or 4539016 ×5

Light Bluish Gray 19 pieces

  • Duplo Shovel / Spade with 'D' Handle Light Bluish Gray Part 51269 Element 6028006 or 4244408 ×1
  • Duplo Toolo Wheel with Action Wheeler Screw Short Light Bluish Gray Part 99565c01 Element 6043041 or 6011678 ×16
  • Duplo Toolo, Propeller, 3 Blades Light Bluish Gray Part 86601 Element 6182696 or 6069945 ×1
  • Duplo Winch Drum Narrow Ridged with String and Black Hook Light Bluish Gray Part 14013c01 Element 6209823 or 6039794 ×1

Red 7 pieces

  • Duplo Dump Truck Bed 4 x 4 x 2 (Tipper) Red Part 14094 Element 6083000 ×1
  • Duplo Toolo Brick 2 x 4 with Holes on Sides and Top and 1 Screw in Top Red Part 31184c01 Element 6182720 or 4538976 ×1
  • Duplo Toolo Cockpit 4 x 6 Red Part 31196c01 Element 6182721 or 4538982 ×1
  • Duplo Toolo Tool Screwdriver Red Part 74864 Element 6074883 or 6047910 ×4

Orange 6 pieces

  • Duplo Figure with Construction Helmet Orange, with Orange Vest over Blue Long Sleeve Shirt, Nougat Face and Hands, and Dark Bluish Gray Legs Orange Part 47202pr9999 Element 6273398 or 6203759 ×2
  • Duplo Toolo Cockpit 4 x 6 Orange Part 31196c01 Element 6182786 or 4538986 ×2
  • Duplo Toolo Digger Bucket with 3 teeth Orange Part 6310 Element 4508937 or 4188815 ×1
  • Duplo Toolo Scoop 6 x 4 x 3 Orange Part 6294 Element 4188816 ×1

Yellow 4 pieces

  • Duplo Cement Mixer Bucket Base Yellow Part 95219 Element 4619340 ×1
  • Duplo Cement Mixer Bucket with Red Stripes Yellow Part 58629pr0002 Element 6051420 or 4583674 ×1
  • Duplo Toolo Brick 2 x 4 with Holes on Sides and Top and 1 Screw in Top Yellow Part 31184c01 Element 6182718 or 4538978 ×1
  • Duplo Toolo Cockpit 4 x 6 Yellow Part 31196c01 Element 6182782 or 4538985 ×1

Flat Silver 3 pieces

  • Duplo Windscreen Roll Cage Flat Silver Part 45146 Element 4646774 ×3

Tan 3 pieces

  • Duplo Brick 2 x 2 Tan Part 3437 Element 4583322 or 4166963 ×3

Blue 2 pieces

  • Duplo Toolo Cockpit 4 x 6 Blue Part 31196c01 Element 6182723 or 4538984 ×1
  • Duplo Wheelbarrow with Thick Black Wheels Blue Part 92938 Element 4598300 or 4565956 ×1

Trans-Yellow 2 pieces

  • Duplo Windscreen 4 x 4 x 2 Curved Trans-Yellow Part 17562 Element 6352121 or 6073604 ×2

[No Color/Any Color] 2 pieces

  • Activity Card 1, Set 45002-1 / 45015-1 [No Color/Any Color] Part 6102437 Element 6102437 ×1
  • Activity Card 2, Set 45002-1 / 45015-1 [No Color/Any Color] Part 6102438 Element 6102438 ×1

Bright Green 1 piece

  • Duplo Figure Bob / Pageboy Hair Reddish Brown, with Medium Nougat Face - Bright Green Top with Buttons and Pockets - Orange Legs Bright Green Part 75121pr0008 Element 6210283 or 4667659 ×1

Medium Blue 1 piece

  • Duplo Figure with Parted Wavy Hair Black, Shirt with Collar, Pocket, and 4 Buttons Medium Blue Part 75115pr0006 Element 6273467 or 6210276 ×1

Reddish Brown 1 piece

  • Duplo Figure with Headset and Cap Yellow, with Blue Legs, Brown Vest with Zippers over Black Shirt, Blue Crescent Eyes Reddish Brown Part 10111c01pr0005 Element 6024603 ×1

White 1 piece

  • Duplo Figure with Parted Wavy Hair Black, with Medium Nougat Face, and Shirt with Collar and Stripe Print (Hispanic Dad) White Part 75115pr0012 Element 4667647 ×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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