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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.

Wake Rider (Wave Catcher)

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6737 Wake Rider (Wave Catcher)

85 pieces in 49 part and color combinations, plus 2 minifigures.

The piece count includes the 8 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.

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Piece checklist

Black 25 pieces

  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges Black Part 30603 Element 4163524 ×1
  • Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges and Silver Engine Print Black Part 30603pr0001 Element 4171488 ×4
  • Cone 2 x 2 x 2, Open Stud Black Part 3942c Element 6092664 or 6022160 ×2
  • Grille 1 x 4 [Two Pins] Black Part 30622 Element 4153837 ×2
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×4
  • Plate Special 1 x 2 with Ladder Black Part 4175 Element 6285241 or 6179557 ×2
  • Propeller 3 Blade 3 Diameter with Axle Cross Black Part 6041 Element 604126 ×2
  • Steering Wheel Holder 2 x 2 Black Part 30640 Element 4153036 ×1
  • String Cord Thin (0.5mm) 150cm Black Part 56823c150 Element 4276324 or 70094 ×1
  • String Reel 2 x 2 Winch Holder Black Part 2584 Element 6465125 or 6163507 ×1
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×1
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1

White 24 pieces

  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×1
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×5
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×1
  • Brick Sloped 33° 3 x 2 White Part 3298 Element 329801 ×2
  • Brick Wedged, Curved 12 x 3 Left with Shark Skeleton and Blue and Silver Stripes Print White Part 42061pr0005 Element 4169886 ×1
  • Brick Wedged, Curved 12 x 3 Right with Shark Skeleton and Blue and Silver Stripes Print White Part 42060pr0005 Element 4171479 ×1
  • Brick Wedged, Sloped Inverted 6 x 6 x 1 Boat Bow White Part 2626 Element 262601 ×1
  • Hinge Brick 1 x 2 Base White Part 3937 Element 6619287 or 393701 ×4
  • Hinge Brick 1 x 2 Top Plate Thin White Part 3938 Element 393801 ×2
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Technic Brick 1 x 4 [3 Pin Holes] White Part 3701 Element 6601913 or 370101 ×4

Blue 12 pieces

  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×1
  • Panel 1 x 2 x 1 [Square Corners] Blue Part 4865a Element 486523 ×1
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×4
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×1
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×2
  • Plate 2 x 6 Blue Part 3795 Element 379523 ×2
  • Wedge Plate 7 x 6 Boat Bow without Stud Notches Blue Part 2625 ×1

Light Gray 10 pieces

  • Cone 1 x 1 [No Top Groove] Light Gray Part 4589 Element 458902 ×4
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×1
  • Plate 6 x 6 Light Gray Part 3958 Element 395802 ×1
  • Plate 6 x 8 Light Gray Part 3036 Element 303652 or 303602 ×1
  • Steering Wheel Small, 2 x 2 Light Gray Part 30663 Element 4153043 ×1
  • String Reel 2 x 2 Winch Drum Light Gray Part 2585 Element 258502 ×1
  • Wedge Plate 7 x 6 Boat Bow without Stud Notches Light Gray Part 2625 ×1

Dark Gray 5 pieces

  • Brick Sloped 10° 6 x 8 Dark Gray Part 4515 Element 4100571 or 451527 ×1
  • Brick Special 1 x 2 with Pin Dark Gray Part 2458 Element 4113907 or 245827 ×2
  • Handlebars Dark Gray Part 30031 Element 4125221 ×1
  • Hook with Towball Dark Gray Part 30395 Element 4140702 ×1

Medium Blue 3 pieces

  • Tile 1 x 2 with Groove Medium Blue Part 3069b Element 4168345 ×2
  • Tile Special 1 x 2 with Handle Medium Blue Part 2432 Element 4166146 ×1

Chrome Silver 2 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Chrome Silver Part 2412b Element 4116794 ×2

Trans-Neon Orange 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Orange Part 6141 Element 6240218 or 3005747 1 spare in the box ×2

Orange 1 piece

  • Sports Surfboard [Long] Orange Part 6075 Element 4171083 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 6737-1 [No Color/Any Color] Part 43660 Element 4173453 ×1

Minifigures 2 figures

  • Brickster with Black Hat Minifigure, checked as a whole figure ×1
  • Sky Lane 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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