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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.

Rainbow Caterbus

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41256 Rainbow Caterbus

380 pieces in 162 part and color combinations, plus 3 minifigures.

LEGO counts 395 pieces. This inventory comes from a separate parts catalog and lists 405, including the 25 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Lime 50 pieces

  • Bag / Suitcase with Long Handle [Opens] Lime Part 37178 Element 6226630 ×1
  • Brick 1 x 4 Lime Part 3010 Element 4234716 or 4122449 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Lime Part 6091 Element 6411328 or 4212446 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Lime Part 11477 Element 6069006 ×9
  • Brick Curved 2 x 2 x 2/3 Lime Part 15068 Element 6138661 ×4
  • Plant, Leaves 4 x 3 Lime Part 2423 Element 6268818 or 6094069 ×2
  • Plate 1 x 2 Lime Part 3023 Element 4164037 or 4122439 ×11
  • Plate 1 x 4 Lime Part 3710 Element 4187743 or 4122441 ×2
  • Plate Round 4 x 4 with 2 x 2 Round Opening Lime Part 11833 Element 6167801 or 6062087 ×2
  • Plate Round Corners 2 x 6 Double Lime Part 18980 Element 6173012 ×1
  • Plate Round Half 4 x 8 Lime Part 22888 Element 6133225 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Lime Part 87580 Element 6056291 ×1
  • Technic Ball Joint Lime Part 32474 Element 4624381 or 4290718 ×8
  • Tile 1 x 4 with Groove Lime Part 2431 Element 4164021 ×2
  • Tile 2 x 4 with Groove Lime Part 87079 Element 6212989 ×1

Medium Azure 49 pieces

  • Brick 1 x 2 Medium Azure Part 3004 Element 6603336 or 6092674 ×4
  • Brick 1 x 3 Medium Azure Part 3622 Element 6223734 ×2
  • Brick 1 x 4 Medium Azure Part 3010 Element 6603319 or 6036238 ×2
  • Brick 1 x 6 Medium Azure Part 3009 Element 6603286 or 4619653 ×2
  • Brick Curved 8 x 8 x 2 Double Medium Azure Part 54095 Element 6295383 ×1
  • Brick Curved Inverted 8 x 8 x 2 Double Medium Azure Part 54091 Element 6294563 ×1
  • Brick Round 2 x 2 Dome Top, Hollow Stud Medium Azure Part 30367c Element 6036500 ×1
  • Food Cupcake with Stud Medium Azure Part 65468c ×3
  • Headwear Accessory Double Heart on Pin Medium Azure Part 65468g ×1
  • Headwear Accessory Heart on Pin Medium Azure Part 65468e ×1
  • Musical Instrument Guitar / Lute Medium Azure Part 65468d ×1
  • Musical Key Medium Azure Part 65468a ×1
  • Musical Note Medium Azure Part 65468b ×1
  • Plant, Flower, 7 Petals on Pin Medium Azure Part 65468f ×1
  • Plant, Leaves, Round 2 x 2 x 2/3 with + Axle Hole and 4 Leaf Extensions Medium Azure Part 15469 Element 6058746 ×1
  • Plate 1 x 1 Medium Azure Part 3024 Element 6603339 or 6097493 1 spare in the box ×2
  • Plate 1 x 2 Medium Azure Part 3023 Element 6603337 or 6097419 Also in Dark Turquoise ×4
  • Plate 1 x 3 Medium Azure Part 3623 Element 6119107 or 6013829 ×4
  • Plate 1 x 6 Medium Azure Part 3666 Element 6603312 or 4625036 ×4
  • Tile 1 x 2 with Groove Medium Azure Part 3069b Element 6603315 or 4649741 ×6
  • Tile 2 x 2 Corner Medium Azure Part 14719 Element 6185308 ×2
  • Tile 2 x 2 Curved, Macaroni Medium Azure Part 27925 Element 6258069 ×2
  • Tile Round 1 x 1 Quarter Medium Azure Part 25269 Element 6603341 or 6150370 1 spare in the box ×2

Magenta 44 pieces

  • Brick 1 x 1 Magenta Part 3005 Element 6022035 ×2
  • Brick 1 x 2 Magenta Part 3004 Element 4519195 or 4206360 ×4
  • Brick 1 x 4 Magenta Part 3010 Element 6056373 or 6014496 ×2
  • Brick 1 x 6 Magenta Part 3009 Element 6056382 or 6014495 ×1
  • Brick 2 x 2 Corner Magenta Part 2357 Element 6294581 or 6109979 ×2
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Magenta Part 49307 Element 6278442 ×4
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Magenta Part 11477 Element 6070763 ×2
  • Brick Curved 8 x 8 x 2 Double Magenta Part 54095 Element 6295382 ×1
  • Brick Curved Inverted 8 x 8 x 2 Double Magenta Part 54091 Element 6294562 ×1
  • Cone 1 x 1 [Top Groove] Magenta Part 59900 Element 6003007 ×2
  • Flower, Felt 6 x 6 with Square Hole Magenta Part 66830 Element 6290408 ×1
  • Musical Instrument Microphone [Plain] Magenta Part 90370 Element 6257777 1 spare in the box ×1
  • Plate 1 x 1 Magenta Part 3024 Element 6096942 or 6014499 1 spare in the box ×2
  • Plate 1 x 3 Magenta Part 3623 Element 6054864 or 6022048 ×2
  • Plate 1 x 4 Magenta Part 3710 Element 6037652 ×4
  • Plate 1 x 6 Magenta Part 3666 Element 6003206 or 4654105 ×4
  • Plate Round 1 x 1 with Solid Stud Magenta Part 6141 Element 6248970 1 spare in the box ×2
  • Plate Round Half 4 x 8 Magenta Part 22888 Element 6294567 ×1
  • Tile 1 x 1 with Groove Magenta Part 3070b Element 6099364 1 spare in the box ×2
  • Tile 1 x 2 with Groove Magenta Part 3069b Element 4611415 ×4

White 40 pieces

  • Bracket 1 x 2 - 2 x 2 White Part 44728 Element 6619296 or 6117940 ×2
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×1
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×1
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs White Part 49307 Element 6552178 or 6550177 ×4
  • Brick Special 1 x 1 with Stud on 1 Side White Part 87087 Element 6550190 or 4558952 ×4
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side White Part 32952 Element 6552171 or 6548288 ×4
  • Brick Special 1 x 2 with Pin White Part 2458 Element 4160228 or 245801 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate Special 1 x 2 with Pin Hole on Top White Part 11458 Element 6632146 or 6057414 ×2
  • Road Sign Clip-on 2 x 2 Round White Part 30261 Element 6317571 or 4116816 ×1
  • Technic Beam 1 x 9 Thick White Part 40490 Element 6001831 or 4156341 ×2
  • Tile 2 x 3 White Part 26603 Element 6552162 or 6550161 ×2
  • Tile Round 1 x 1 Half Circle White Part 24246 Element 6609539 or 6250591 1 spare in the box ×4
  • Tile Round 2 x 2 with Bottom Stud Holder White Part 14769 Element 6601846 or 6044691 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges White Part 15712 Element 6348055 or 6054551 ×4
  • Turntable 2 x 2 Female White Part 27448 Element 6536567 or 6238334 ×2

Light Bluish Gray 29 pieces

  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×2
  • Bracket 1 x 2 - 2 x 2 Light Bluish Gray Part 44728 Element 6117967 or 6009014 ×1
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×3
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Light Bluish Gray Part 49307 Element 6262085 ×2
  • Brick Special 1 x 1 with Clip Horizontal Light Bluish Gray Part 60476 Element 6320306 or 4535764 ×1
  • Brick Special 1 x 1 with Stud on 1 Side Light Bluish Gray Part 87087 Element 4558953 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side Light Bluish Gray Part 30414 Element 4211636 ×1
  • Equipment Radio / Boom Box with Handle and Black Trim Print Light Bluish Gray Part 93221pr0003 Element 6525760 or 6138216 ×1
  • Leg Skeleton Light Bluish Gray Part 6266 Element 6423983 or 6240497 ×1
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×1
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×1
  • Plate Special 1 x 2 with Pin Hole Underneath Light Bluish Gray Part 18677 Element 6168633 or 6089147 ×2
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×8
  • Tile Round 2 x 2 with Bottom Stud Holder Light Bluish Gray Part 14769 Element 6052200 ×1
  • Tile Special 1 x 1 with Clip with Rounded Edges Light Bluish Gray Part 15712 Element 6308012 or 6071229 ×2

Dark Pink 27 pieces

  • Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Short Tip) Dark Pink Part 43892 Element 6197446 ×2
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Dark Pink Part 22885 Element 6132426 ×10
  • Dish 8 x 8 Inverted [Radar], Solid Studs, Squared Anti-stud Underside Dark Pink Part 3961a Element 6292812 ×1
  • Plant, Flower, Minifig Accessory with 7 Thick Petals and Pin Dark Pink Part 32606 Element 6206151 1 spare in the box ×2
  • Plate Round 4 x 4 with 2 x 2 Round Opening Dark Pink Part 11833 Element 6258671 ×4
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Dark Pink Part 41740 Element 6249088 ×2
  • Tile 1 x 1 Heart Dark Pink Part 39739 Element 6486304 or 6256130 1 spare in the box ×2
  • Tile 1 x 2 with Groove Dark Pink Part 3069b Element 6056381 ×2
  • Tile Round 2 x 2 with Bottom Stud Holder Dark Pink Part 14769 Element 6174946 ×2

Bright Light Orange 20 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Bright Light Orange Part 36840 Element 6249235 ×2
  • Brick 1 x 4 Bright Light Orange Part 3010 Element 6003004 or 4490697 ×2
  • Brick Curved 1 x 3 x 2 Bright Light Orange Part 33243 Element 6612049 or 6378359 ×2
  • Brick Curved Inverted 2 x 1 Bright Light Orange Part 24201 Element 6145215 ×2
  • Container Box 2 x 2 x 1 [Plain] Bright Light Orange Part 35700 Element 6279767 ×2
  • Plate 1 x 2 Bright Light Orange Part 3023 Element 6028736 or 4645043 ×3
  • Plate 1 x 4 Bright Light Orange Part 3710 Element 6020073 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bright Light Orange Part 15573 Element 6122504 ×1
  • Tile 1 x 4 with Groove Bright Light Orange Part 2431 Element 6072668 or 6020076 ×2
  • Tile 2 x 4 with Groove Bright Light Orange Part 87079 Element 4621543 ×1
  • Tile Round 2 x 2 with Face with Round Mouth Print Bright Light Orange Part 14769pr1151 Element 6294265 ×1

Black 18 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×4
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×12
  • Tile Round 2 x 2 with Bottom Stud Holder Black Part 14769 Element 6070695 ×2

Green 16 pieces

  • Bracket 1 x 2 - 2 x 2 Green Part 44728 Element 6117971 or 6048853 ×4
  • Panel 1 x 2 x 1 [Rounded Corners] Green Part 4865b Element 6146227 or 4542189 ×2
  • Plate 1 x 3 Green Part 3623 Element 4107758 or 362328 ×1
  • Plate 2 x 4 Green Part 3020 Element 302028 ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Green Part 4032a Element 403228 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Green Part 15573 Element 6092586 ×2
  • Tile 1 x 2 with Groove Green Part 3069b Element 306928 ×2

Dark Turquoise 13 pieces

  • Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports Dark Turquoise Part 18838 Element 6289132 ×2
  • Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports] Dark Turquoise Part 14395 Element 6290562 ×1
  • Brick Sloped 45° 2 x 2 Dark Turquoise Part 3039 Element 6249419 ×2
  • Plate 1 x 2 Dark Turquoise Part 3023 Element 6213777 or 4218493 Also in Medium Azure ×6
  • Plate 2 x 10 Dark Turquoise Part 3832 Element 6249538 ×2

Medium Lavender 13 pieces

  • Plate 8 x 8 with Rounded End Medium Lavender Part 41948 Element 6490227 or 6250119 ×2
  • Tile 2 x 2 Curved, Macaroni Medium Lavender Part 27925 Element 6199900 ×8
  • Tile 2 x 2 with Groove Medium Lavender Part 3068b Element 6173813 ×3

Yellow 9 pieces

  • Bar 6L with Stop Ring Yellow Part 63965 Element 6170486 or 6109813 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thin Wall] Yellow Part 15207 Element 6092648 ×2
  • Plate 4 x 8 Yellow Part 3035 Element 303524 ×1
  • Plate Round 1 x 1 with Open Stud Yellow Part 85861 Element 6168644 or 6050850 1 spare in the box ×3
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Yellow Part 61252 Element 6347294 or 4540040 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×1

Bright Pink 8 pieces

  • Panel 1 x 2 x 1 [Rounded Corners] Bright Pink Part 4865b Element 6476739 or 6146231 ×2
  • Plate Round 1 x 1 Swirled Top Bright Pink Part 15470 Element 6424008 or 6060795 1 spare in the box ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bright Pink Part 15573 Element 6264994 ×2
  • Tile 1 x 2 with Groove Bright Pink Part 3069b Element 4580010 ×2

Red 8 pieces

  • Equipment Cup / Mug [Plain] Red Part 3899 Element 389921 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thin Wall] Red Part 15207 Element 6046379 ×1
  • Plant, Cherries Red Part 22667 Element 6100565 or 6062390 1 spare in the box ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Red Part 15573 Element 6092565 ×2
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×1

Tan 8 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×8

Trans-Light Blue 8 pieces

  • Brick 1 x 2 x 5 without Side Supports Trans-Light Blue Part 46212 Element 6514084 or 6251284 ×2
  • Panel 1 x 2 x 2 [Side Supports / Hollow Studs] Trans-Light Blue Part 87552 Element 6581813 or 6253230 ×6

Blue 3 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2
  • Tile 2 x 4 with Groove Blue Part 87079 Element 4654678 or 4560180 ×1

Trans-Dark Pink 3 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Dark Pink Part 54200 Element 6245287 or 6172367 1 spare in the box ×2
  • Rock - Heart Jewel with Shaft Trans-Dark Pink Part 15745 Element 6240042 or 6058337 ×1

Bright Green 2 pieces

  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×2

Dark Bluish Gray 2 pieces

  • Plate Round 4 x 4 with Pin Hole Dark Bluish Gray Part 60474 Element 4528323 ×2

Light Aqua 2 pieces

  • Plate Round 1 x 1 Swirled Top Light Aqua Part 15470 Element 6249118 1 spare in the box ×1
  • Tile Round 2 x 2 with Bottom Stud Holder Light Aqua Part 14769 Element 6096948 ×1

Trans-Clear 2 pieces

  • Panel 1 x 2 x 1 with Rounded Corners and 2 Sides Trans-Clear Part 23969 Element 6507956 or 6248909 ×2

Trans-Neon Green 2 pieces

  • Bar 4L (Lightsaber Blade / Wand) Trans-Neon Green Part 30374 Element 6507881 or 6170186 ×1
  • Food Popsicle / Lollipop Trans-Neon Green Part 30222 Element 6216057 or 4568173 ×1

Dark Purple 1 piece

  • Leaf, Felt 6 1/2 x 7 1/2 with Square Hole Dark Purple Part 66831 Element 6290410 ×1

Lavender 1 piece

  • Plant, Leaves 6 x 5 Lavender Part 2417 Element 6097450 ×1

Trans-Yellow 1 piece

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Yellow Part 30153 Element 6513974 or 6247795 1 spare in the box ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 41256-1 [No Color/Any Color] Part 66352 Element 6287727 ×1

Minifigures 3 figures

  • Trolls - Poppy Minifigure, checked as a whole figure ×1
  • Trolls - Cooper with Medium Azure Sunglasses Minifigure, checked as a whole figure ×1
  • Cloud Guy 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

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