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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.

Spinjitzu Dojo

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2504 Spinjitzu Dojo

357 pieces in 118 part and color combinations, plus 3 minifigures.

The piece count includes the 16 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 94 pieces

  • Brick 1 x 4 Black Part 3010 Element 301026 ×2
  • Brick 1 x 6 Black Part 3009 Element 300926 ×4
  • Brick 2 x 4 Black Part 3001 Element 300126 ×2
  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×4
  • Brick Sloped 18° 4 x 2 Black Part 30363 Element 4185583 ×2
  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×4
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Black Part 3747b Element 4500458 or 374726 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×4
  • Brick Special 1 x 2 with Grille Black Part 2877 Element 287726 ×3
  • Hinge Brick 1 x 4 [Lower] Black Part 3831 Element 383126 ×4
  • Hinge Brick 1 x 4 [Upper] Black Part 3830 Element 6344999 or 6011458 ×4
  • Plate 1 x 12 Black Part 60479 Element 4514845 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×5
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 2 x 12 Black Part 2445 Element 244526 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×1
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×4
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 3 spares in the box ×15
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×2
  • Technic Beam 1 x 15 Thick Black Part 32278 Element 4542573 or 4128603 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×8
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 3 spares in the box ×8
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×2
  • Technic Plate 2 x 6 [5 Holes] Black Part 32001 Element 3200126 ×2
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×2
  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Black Part 30173b ×2

Reddish Brown 59 pieces

  • Bar 6L with Stop Ring Reddish Brown Part 63965 Element 6170468 or 6155727 ×1
  • Brick 1 x 2 x 2 with Inside Axle Holder Reddish Brown Part 3245b ×4
  • Brick Round 1 x 1 Open Stud Reddish Brown Part 3062b Element 4211183 ×6
  • Brick Special 1 x 1 with Headlight Reddish Brown Part 4070 Element 4225469 ×6
  • Brick Special 1 x 2 Palisade [aka Log] Reddish Brown Part 30136 Element 4211180 ×16
  • Brick Special 1 x 4 Palisade [aka Log] Reddish Brown Part 30137 Element 4211181 ×5
  • Cone 1 x 1 [Top Groove] Reddish Brown Part 59900 Element 4529242 ×9
  • Door 1 x 5 x 8.5 Stockade Reddish Brown Part 87601 Element 6074916 or 4561911 ×2
  • Support Round 1 x 1 x 6 Solid Pillar Reddish Brown Part 43888 Element 4520612 ×6
  • Technic Brick 1 x 2 [1 Pin Hole] Reddish Brown Part 3700 Element 4211252 ×4

Dark Bluish Gray 47 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Dark Bluish Gray Part 48729b Element 6278155 or 4579234 1 spare in the box ×1
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Dark Bluish Gray Part 2454a ×2
  • Brick 1 x 8 Dark Bluish Gray Part 3008 Element 4211099 ×2
  • Brick 2 x 3 Dark Bluish Gray Part 3002 Element 4211105 ×2
  • Brick Curved 3 x 1 No Studs Dark Bluish Gray Part 50950 Element 4246896 ×2
  • Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Dark Bluish Gray Part 30237a ×4
  • Brick Special 2 x 2 with Pin and Axle Hole Dark Bluish Gray Part 6232 Element 6408023 or 4211046 ×2
  • Chain 6L [5 Links] Dark Bluish Gray Part 92338 Element 6311445 or 4600437 ×2
  • Cone 2 x 2 x 2, Open Stud Dark Bluish Gray Part 3942c Element 6533790 or 6092666 ×1
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×2
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×4
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate 4 x 12 Dark Bluish Gray Part 3029 Element 4210706 ×2
  • Plate 6 x 12 Dark Bluish Gray Part 3028 Element 4256149 or 4210657 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1
  • Technic Brick 1 x 1 with Pin Hole Dark Bluish Gray Part 6541 Element 4210639 ×8
  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 ×4
  • Technic Brick 1 x 6 [5 Pin Holes] Dark Bluish Gray Part 3894 Element 4210917 or 3894199 ×2
  • Technic Gear 24 Tooth [New Style with Single Axle Hole] Dark Bluish Gray Part 3648b Element 6133119 or 4514558 ×2
  • Tile Special 1 x 1 with Clip and Straight Tips Dark Bluish Gray Part 2555 Element 6031420 or 4211069 ×2

Red 34 pieces

  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×4
  • Brick Round 2 x 2 with Axle Hole Red Part 3941 Element 614321 or 394121 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Red Part 54200 Element 5074621 or 4504379 3 spares in the box ×10
  • Door Frame 1 x 4 x 6 Type 2 Red Part 60596 Element 6262946 or 4550015 ×4
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 2 x 6 Red Part 3795 Element 379521 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Red Part 2654 Element 4617080 or 4278275 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Red Part 32054 Element 4140806 or 4125198 ×2
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Wedge Plate 4 x 4 Cut Corner Red Part 30503 Element 6278445 or 6065012 ×1

Light Bluish Gray 29 pieces

  • Bar 4L (Lightsaber Blade / Wand) Light Bluish Gray Part 30374 Element 6116608 or 4211628 ×4
  • Brick Special 1 x 2 with Pin Light Bluish Gray Part 2458 Element 4211364 ×1
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×1
  • Tap 1 x 1 without Hole in Spout Light Bluish Gray Part 4599b Element 4211503 ×4
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×2
  • Technic Axle and Pin Connector Angled #6 - 90° Light Bluish Gray Part 32014 Element 6268924 or 4509886 ×2
  • Technic Brick 1 x 4 [3 Pin Holes] Light Bluish Gray Part 3701 Element 4211441 ×6
  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×2
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 2 spares in the box ×4
  • Weapon Pike / Spear [4 Side Blades] Light Bluish Gray Part 43899 Element 4520991 ×1

Tan 23 pieces

  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×2
  • Brick 2 x 2 Tan Part 3003 Element 4114306 or 300305 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Tan Part 3660 Element 4118866 ×1
  • Plate 1 x 4 Tan Part 3710 Element 4113233 or 371005 ×11
  • Plate 2 x 4 Tan Part 3020 Element 4114309 or 302005 ×2
  • Plate 2 x 6 Tan Part 3795 Element 4113993 or 379505 ×2
  • Plate 4 x 10 Tan Part 3030 Element 6037834 or 4609328 ×1
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×1
  • Tile 1 x 6 with Groove Tan Part 6636 Element 4157277 or 4108151 ×1
  • Tile 1 x 8 with Groove Tan Part 4162 Element 4544139 or 4519964 ×1

White 17 pieces

  • Animal Body Part, Dog Bone [Long] White Part 92691 Element 4600307 ×1
  • Dish 3 x 3 Inverted [Radar] White Part 43898 Element 4179580 ×1
  • Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] White Part 11055 Element 6011794 ×2
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×12
  • Turntable 6 x 6 Round Dark Bluish Gray Base with White Top with Black Dragons on Gold Print (Ninjago Spinner) White Part 92547pr0013 Element 4614994 ×1

Blue 14 pieces

  • Plate 2 x 6 Blue Part 3795 Element 379523 ×1
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 1 spare in the box ×8
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×4
  • Wedge Plate 4 x 4 Cut Corner Blue Part 30503 Element 6503903 or 6331843 ×1

Flat Silver 11 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Flat Silver Part 53451 Element 6270108 or 4612901 1 spare in the box ×4
  • Weapon Pike / Spear Round End Flat Silver Part 4497 ×2
  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Flat Silver Part 30173b Element 4569471 ×4
  • Weapon Sword / Scimitar Notched Blade Flat Silver Part 60752 Element 4611882 ×1

Green 6 pieces

  • Brick Round 1 x 1 Open Stud Green Part 3062b Element 306228 ×5
  • Plant, Round 1 x 1 - 3 Bamboo Leaves Green Part 30176 Element 6270003 or 6248461 ×1

[No Color/Any Color] 6 pieces

  • Sticker Sheet for Set 2504-1 [No Color/Any Color] Part 93891 Element 4612897 ×1
  • Trading Card, Ninjago Deck #1: 16 - Sensei Wu (White Outfit) - North American Version [No Color/Any Color] Part 4621849 ×1
  • Trading Card, Ninjago Deck #1: 23 - Flame Pit - North American Version [No Color/Any Color] Part 4621818 ×1
  • Trading Card, Ninjago Deck #1: 38 - Shaky Bones - North American Version [No Color/Any Color] Part 4621822 ×1
  • Trading Card, Ninjago Deck #1: 54 - Snow Surfin' - North American Version [No Color/Any Color] Part 4621832 ×1
  • Trading Card, Ninjago Deck #1: 74 - Higher Ground - North American Version [No Color/Any Color] Part 4621821 ×1

Trans-Clear 4 pieces

  • Glass for Window 1 x 4 x 6 with Asian/Japanese Characters 'Ninja' on White Background Print Trans-Clear Part 57895pr0001 Element 6030347 or 4639781 ×4

Speckle Black-Silver 3 pieces

  • Weapon Axe Head, Clip-on (Viking) [Thin Clip] Speckle Black-Silver Part 53705 Element 6108518 or 6051378 ×3

Trans-Neon Orange 2 pieces

  • Wave / Flame Rounded with Base Rim Trans-Neon Orange Part 6126b Element 6258495 or 6167743 ×2

Trans-Orange 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 1 spare in the box ×2

Trans-Yellow 2 pieces

  • 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

Yellow 2 pieces

  • Panel 1 x 2 x 1 [Square Corners] Yellow Part 4865a Element 486524 ×2

Dark Tan 1 piece

  • Technic Axle 3 with Stud Dark Tan Part 6587 Element 6031821 or 6013821 ×1

Pearl Gold 1 piece

  • Weapon Throwing Star / Shuriken with Smooth Grips Pearl Gold Part 93058 Element 4600519 1 spare in the box ×1

Minifigures 3 figures

  • Zane (The Golden Weapons) Minifigure, checked as a whole figure ×1
  • Master Wu in White Robes (The Golden Weapons) Minifigure, checked as a whole figure ×1
  • Nuckal 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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