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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Girl's Freestyle Set

Checking

4151 Girl's Freestyle Set

266 pieces in 70 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

White 92 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×16
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×20
  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×6
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×10
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×2
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×2
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×6
  • Brick 2 x 2 Corner White Part 2357 Element 6552088 or 6548253 ×2
  • Brick 2 x 3 White Part 3002 Element 6550133 or 300251 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×5
  • Brick 2 x 6 White Part 2456 Element 6552122 or 4249698 ×1
  • Brick Round Corner 4 x 4 Full Brick White Part 2577 Element 6442278 or 4603243 ×4
  • Brick Sloped 33° 3 x 4 with Pink Background White Flowers Print White Part 3297pr0016 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×2
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×2
  • Plate 4 x 10 White Part 3030 Element 6550137 or 4503008 ×1
  • Turntable 4 x 4 Square Base with Top, Complete Assembly White Part 3403c01 Element 4221666 or 4143679 ×1
  • Wheel Freestyle with 2 x 2 Studs and Pin Hole White Part 6248 Element 4144355 or 624801 ×4

Yellow 85 pieces

  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×10
  • Brick 1 x 1 with Simple Eye Black and White Print Yellow Part 3005pr9996 Element 82357 ×2
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×14
  • Brick 1 x 3 Yellow Part 3622 Element 362224 ×4
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×6
  • Brick 1 x 4 with Black Smile Print Yellow Part 3010pr9980 Element 82356 ×1
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×2
  • Brick 2 x 2 Yellow Part 3003 Element 4103588 or 300374 ×4
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×2
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×3
  • Brick Curved 2 x 3 Yellow Part 6215 Element 621524 ×8
  • Brick Sloped 33° 2 x 2 Double Yellow Part 3300 Element 330024 ×2
  • Brick Sloped 33° 2 x 4 Double Yellow Part 3299 Element 6334233 or 329924 ×2
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×4
  • Brick Sloped 33° 3 x 4 Yellow Part 3297 Element 6256980 or 6088712 ×4
  • Brick Sloped 45° 2 x 2 Yellow Part 3039 Element 303924 ×4
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Yellow Part 3747b Element 4500459 or 374724 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Yellow Part 3660 Element 366024 ×2
  • Plate 4 x 4 Yellow Part 3031 Element 4243817 or 303124 ×1
  • Plate 4 x 6 Yellow Part 3032 Element 303224 ×1
  • Plate 6 x 6 Yellow Part 3958 Element 6376458 or 4550701 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2
  • Tile 2 x 2 with Groove Yellow Part 3068b Element 6388487 or 306824 ×4

Blue 39 pieces

  • Brick 1 x 1 Blue Part 3005 Element 300523 ×8
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×10
  • Brick 1 x 3 Blue Part 3622 Element 362223 ×4
  • Brick 1 x 4 Blue Part 3010 Element 301023 ×6
  • Brick 1 x 6 Blue Part 3009 Element 300923 ×2
  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×4
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×2
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×3

Pink 23 pieces

  • Antenna 1 x 4 with Rounded Top Pink Part 3957a Element 4186438 or 395709 ×2
  • Brick Arch 1 x 6 x 2 Curved Top Pink Part 6183 Element 618309 ×2
  • Fence Lattice 1 x 4 x 1 Pink Part 3633 Element 363309 ×4
  • Plant, Flower - Small Pink Part 3742 1 spare in the box ×3
  • Window 1 x 2 x 3 Pane Pink Part 3854 Element 385409 ×6
  • Window 1 x 2 x 3 Shutter Pink Part 3856 Element 385609 ×6

Medium Dark Pink 14 pieces

  • Door 1 x 4 x 5 with 4 Panes, Squared Base Medium Dark Pink Part 3861b Element 386122 ×1
  • Equipment Goblet / Glass Medium Dark Pink Part 2343 Element 4184902 or 626922 ×2
  • Equipment Umbrella Top with No Bottom Flaps, 6 x 6 with Top Stud Medium Dark Pink Part 4094b Element 409422 ×1
  • Flag 4 x 1 Wavy [First Wave Left] Medium Dark Pink Part 4495a ×1
  • Plant, Flower - Small Medium Dark Pink Part 3742 2 spares in the box ×6
  • Window 1 x 4 x 3 Medium Dark Pink Part 3853 Element 4184093 or 385322 ×3

Black 4 pieces

  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×4

Green 4 pieces

  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 ×3
  • Plant, Fruit Tree Green Part 3470 Element 347028 ×1

Dark Gray 2 pieces

  • Brick Special 2 x 4 with Pins Dark Gray Part 6249 Element 4143669 or 4100411 ×2

Medium Green 2 pieces

  • Baseplate 16 x 16 Medium Green Part 3867 Element 609829 ×1
  • Equipment Hairbrush Short Handle [10mm] Medium Green Part 3852b Element 4189010 or 385279 ×1

Trans-Clear 1 piece

  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×1

Minifigures 2 figures

  • Pink Torso, Light Grey Legs, Black Hair Minifigure, checked as a whole figure ×1
  • White Torso, Blue Legs, 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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