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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.

One vs One Action

Checking

3428 One vs One Action

32 pieces in 23 part and color combinations, plus 2 minifigures.

The piece count includes the 7 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.

Show

Piece checklist

Minifig Accessories 6 pieces

  • Sports Basketball with Black Lines Print Orange Part 43702pr0001 Element 4186831 ×3
  • Sports Hoop with 2 Studs and Axle Orange Part 43373 Element 4295310 or 4174045 ×1
  • Sports Basketball / Hockey Goalie Minifig Stand Tan Part 43372 Element 4172969 ×1
  • Sports Basketball Net White Part 43374 Element 4295309 or 4174044 ×1

Plates 4 pieces

  • Plate 1 x 6 Black Part 3666 Element 366626 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 6 x 8 Red Part 3036 Element 303671 or 303621 ×1
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1

Plates Round Curved and Dishes 4 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Gray Part 2654 Element 265402 ×4

Bricks 3 pieces

  • Brick 1 x 6 x 5 with NBA Logo and Basketball Backboard Print Trans-Clear Part 3754pr0005 Element 4188914 ×1
  • Brick 1 x 1 x 5 with Blocked Open or Hollow Stud White Part 2453a ×2

Bricks Sloped 2 pieces

  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×2

Technic Axles 2 pieces

  • Technic Axle 12 Black Part 3708 Element 370826 ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 1 spare in the box ×1

Technic Bricks 2 pieces

  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Red Part 32064b ×2

Tiles Special 2 pieces

  • Tile Special 2 x 2 with Top Pin Red Part 2460 Element 246021 ×2

Baseplates 1 piece

  • Sports Field Section 8 x 8 Tan Part 30492 Element 4188999 ×1

Bricks Round and Cones 1 piece

  • Cone 4 x 4 x 2, Axle Hole [Plain] Blue Part 3943b Element 6417949 or 4189004 ×1

Non-System Parts 1 piece

  • Playmat, Basketball NBA Court [No Color/Any Color] Part 4189503 Element 4189503 ×1

Technic Beams 1 piece

  • Technic Beam 1 x 3 Thick Red Part 32523 Element 4153718 ×1

Technic Connectors 1 piece

  • Technic Axle and Pin Connector Angled #6 - 90° Black Part 32014 Element 6268905 or 4107767 ×1

Technic Pins 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 1 spare in the box ×1

Tiles 1 piece

  • Tile 1 x 8 with Groove White Part 4162 Element 6552110 or 416201 ×1

Minifigures 2 figures

  • Basketball Player, Violet Torso, violet Legs 7 Minifigure, checked as a whole figure ×1
  • Basketball Player, Red Torso, Red Legs #8, Black Hair 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.

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