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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.

Emma's Horse Trailer

Checking

3186 Emma's Horse Trailer

229 pieces in 98 part and color combinations, plus 1 minifigure.

LEGO counts 218 pieces. This inventory comes from a separate parts catalog and lists 233, including the 4 parts inside the minifigures; 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

Plates 46 pieces

  • Plate 1 x 4 Black Part 3710 Element 371026 ×5
  • Plate 1 x 4 Bright Pink Part 3710 Element 6002148 or 4245300 ×2
  • Plate 2 x 8 Bright Pink Part 3034 Element 6252555 or 4625550 ×2
  • Plate 1 x 2 Dark Red Part 3023 Element 4539097 or 4162582 ×7
  • Plate 1 x 4 Dark Red Part 3710 Element 4539061 or 4164219 ×2
  • Plate 1 x 6 Dark Red Part 3666 Element 4539062 or 4164108 ×4
  • Plate 2 x 6 Dark Red Part 3795 Element 4618986 or 4164177 ×2
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×1
  • Plate 4 x 4 Light Bluish Gray Part 3031 Element 4243797 or 4211403 ×2
  • Plate 6 x 6 Lime Part 3958 Element 4525858 ×2
  • Plate 1 x 6 Tan Part 3666 Element 4124067 or 366605 ×1
  • Plate 2 x 8 Tan Part 3034 Element 4113988 or 303405 ×1
  • Plate 1 x 1 Trans-Orange Part 3024 Element 6513961 or 6252040 ×2
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×4
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×3
  • Plate 2 x 10 White Part 3832 Element 6552109 or 383201 ×1
  • 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 ×1

Bricks Sloped 31 pieces

  • Brick Sloped 33° 3 x 1 Bright Pink Part 4286 Element 4621620 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×4
  • Brick Sloped 33° 3 x 2 Dark Red Part 3298 Element 6366021 or 4569379 ×3
  • Brick Sloped Inverted 45° 2 x 1 Dark Red Part 3665 Element 6005399 or 4590811 ×8
  • Brick Sloped Inverted 45° 6 x 1 Double with 1 x 4 Recessed Dark Red Part 52501 Element 6492141 or 4618657 ×3
  • Brick Sloped 75° 2 x 2 x 3 [Solid Studs] Dark Tan Part 98560 Element 6000852 ×2
  • Brick Sloped 45° 2 x 2 Double Convex Green Part 3045 Element 6234157 or 4514396 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Red Part 54200 Element 6245252 or 4244363 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Yellow Part 54200 Element 6245272 or 4260942 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 1 spare in the box ×2
  • Brick Sloped 30° 1 x 2 x 2/3 White Part 85984 Element 6550189 or 4547489 ×2

Plates Special 22 pieces

  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Black Part 6019 Element 601976 or 601926 ×1
  • Plate Special 1 x 2 with Long Towball Black Part 2508 Element 4274405 or 250826 ×1
  • Plate Special 2 x 2 with Wheel Holder Black Part 4488 Element 6092658 or 448826 ×8
  • Plate Special 4 x 6, Studs on 3 Edges Bright Pink Part 6180 Element 4625545 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Tan Part 87580 Element 6126075 or 4578032 ×1
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Light Bluish Gray Part 2436 Element 4282740 or 4211358 ×1
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Light Bluish Gray Part 60478 Element 4515369 ×2
  • Plate Special 1 x 4 with Towball Socket, Flattened Light Bluish Gray Part 98263 Element 6273218 or 4667166 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] White Part 2540 Element 4140583 or 254051 ×1
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes White Part 92593 Element 4597131 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Yellow Part 4081b Element 6281992 or 4632569 ×2

Tiles 16 pieces

  • Tile 1 x 1 with Groove Lime Part 3070b Element 4537251 1 spare in the box ×4
  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 1 spare in the box ×4
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×4
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×3

Wheels and Tyres 16 pieces

  • Tyre 21 x 12 with Offset Tread Small Wide and Center Band Black Part 87697 Element 6575727 or 4568644 ×8
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin White Part 6014b Element 4170457 ×8

Bricks 13 pieces

  • Brick 1 x 2 Bright Pink Part 3004 Element 4517993 or 4245296 ×1
  • Brick 2 x 2 Dark Red Part 3003 Element 4539104 or 4249850 ×1
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×5
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×4
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×2

Tiles Special 11 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Dark Red Part 2412b Element 4541506 or 4528969 ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Yellow Part 2412b Element 241224 ×5

Bricks Special 10 pieces

  • Brick Special 1 x 2 with Masonry Brick Profile Dark Tan Part 98283 Element 4646577 ×3
  • Brick Special 1 x 1 with Handle Reddish Brown Part 2921 Element 6170570 or 4225823 ×2
  • Brick Special 1 x 2 with Grille Yellow Part 2877 Element 287724 ×4
  • Brick Special 1 x 4 with 4 Studs on One Side Yellow Part 30414 Element 4164073 or 3041424 ×1

Plants & Trees 9 pieces

  • Plant, Apple Bright Green Part 33051 Element 6413063 or 4107050 ×1
  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×1
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Dark Pink Part 33291 Element 6170298 or 4216479 1 spare in the box ×5
  • Plant, Flower Stem Green Part 3741 Element 6277589 or 374128 1 spare in the box ×1
  • Plant, Carrot Orange Part 33172 Element 6424015 or 6103249 ×1

Minifig Accessories 8 pieces

  • Equipment Animal Grooming Kit Award Ribbon with Number 1 Medium Azure Part 94718 ×1
  • Equipment Animal Grooming Kit Award Ribbon with Number 2 Medium Azure Part 94722 ×1
  • Equipment Animal Grooming Kit Brush Oval, Large Medium Azure Part 94720 ×2
  • Equipment Animal Grooming Kit Brush Round, Small Medium Azure Part 94721 ×1
  • Equipment Animal Grooming Kit Comb, Small with Heart Medium Azure Part 94719 ×1
  • Equipment Animal Grooming Kit Sponge Medium Azure Part 94723 ×1
  • Equipment Animal Grooming Kit Spray Bottle with Heart Medium Azure Part 94724 ×1

Minifig Headwear Accessories 8 pieces

  • Headwear Accessory Bow (Animal Grooming Kit) Medium Azure Part 94717 ×4
  • Headwear Accessory Bow with Heart (Animal Grooming Kit) Medium Azure Part 94725 ×4

Panels 8 pieces

  • Panel 3 x 3 x 6 Corner Convex with Curved Top Medium Azure Part 6059 Element 6040255 or 6023877 ×2
  • Panel 3 x 4 x 6 Curved Top Medium Azure Part 2571 Element 6244790 or 4625548 ×4
  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider Yellow Part 93095 Element 4621603 ×2

Plates Round Curved and Dishes 8 pieces

  • Plate Round Corner 3 x 3 Bright Pink Part 30357 Element 6629440 or 4620318 ×4
  • Plate Round 1 x 1 with Solid Stud Reddish Brown Part 6141 Element 4216581 1 spare in the box ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 2 spares in the box ×3

Bricks Round and Cones 5 pieces

  • Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Dark Red Part 85080 Element 4625551 ×2
  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×2
  • Brick Round 1 x 1 Open Stud Trans-Yellow Part 3062b Element 6514236 or 6238674 ×1

Transportation - Land 5 pieces

  • Wheel Arch, Mudguard 4 x 2 1/2 x 2 with 2 x 2 Plate Dark Red Part 50745 Element 6330415 or 6146959 ×4
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×1

Bricks Curved 4 pieces

  • Brick Curved 3 x 1 No Studs Dark Red Part 50950 Element 4541546 or 4258311 ×2
  • Brick Curved 2 x 2, Two Top Studs White Part 30165 Element 6609535 or 4624989 ×1
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Yellow Part 47457 Element 4218699 ×1

Animal / Creature Accessories 2 pieces

  • Animal / Creature Accessory, Horse Bridle Black Part 93087 Element 6586808 or 6510632 ×1
  • Animal / Creature Accessory, Horse Saddle with Stirrups and Top Stud Medium Lavender Part 93086 Element 6356469 or 6002630 ×1

Containers 2 pieces

  • Treasure Chest Bottom with Rear Slots, with Groove Tan Part 4738b Element 4618652 or 473805 ×1
  • Box / Crate with Handholds 3 x 4 x 1 2/3 Yellow Part 30150 Element 4599378 ×1

Animals / Creatures 1 piece

  • Animal, Horse with 2 x 2 Cutout, Blue Eyes Print White Part 93083pr0012 Element 6091843 or 6091562 ×1

Bars, Ladders and Fences 1 piece

  • Bar 1 x 6 [Closed Studs] White Part 6140 Element 4288961 or 4279386 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Curved Triple 4 x 6 x 2/3 with 4 Studs Bright Pink Part 52031 Element 6554318 or 4618656 ×1

Stickers 1 piece

  • Sticker Sheet for Set 3186-1 [No Color/Any Color] Part 10095457 Element 4620857 ×1

Windscreens and Fuselage 1 piece

  • Windscreen 2 x 6 x 2, Wide Top Trans-Clear Part 4176 Element 4502193 or 4179426 ×1

Minifigures 1 figure

  • Emma - Lavender Top, White Trousers 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.

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