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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.

Thunder Raider

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70723 Thunder Raider

320 pieces in 116 part and color combinations, plus 3 minifigures.

The official piece count includes the 14 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 132 pieces

  • Bar 1 x 3 [Clip / Anti-Stud] Black Part 4735 Element 4141580 or 473576 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×2
  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Black Part 11215 Element 6039194 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×8
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×1
  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×2
  • Brick Wedged, Curved 4 x 4 No Top Studs Black Part 47753 Element 4219107 ×2
  • Large Figure Skeletal, Limb, 4L with Ball Joint on Axle and Ball Socket Black Part 90611 Element 4609682 ×2
  • Large Figure Skeletal, Limb, 5L with Ball Joint on Axle and Ball Socket Black Part 90609 Element 4593555 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×3
  • Plate 2 x 16 Black Part 4282 Element 428276 or 428226 ×1
  • Plate 4 x 6 Black Part 3032 Element 303226 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Black Part 60897 Element 6330189 or 4617547 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Black Part 3794b Element 379426 ×3
  • Plate Special 1 x 2 with Clip Horizontal on End Black Part 63868 Element 6336989 or 4535739 ×4
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Black Part 60470b Element 6310268 or 4556158 ×10
  • Plate Special 1 x 8 with Door Rail Black Part 4510 Element 4286009 or 451026 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×2
  • Spoiler 2 x 4 with Handle [Plain] Black Part 98834 Element 6058966 ×4
  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×2
  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×2
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Black Part 92013 Element 4619763 ×4
  • Technic Link Tread with Beveled Edge Black Part 15379 Element 6047885 2 spares in the box ×48
  • Technic Panel Car Mudguard Left Black Part 61071 Element 6054829 ×1
  • Technic Panel Car Mudguard Right Black Part 61070 Element 6054821 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×8
  • Technic Plate 2 x 6 [5 Holes] Black Part 32001 Element 3200126 ×1
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×2
  • Tile Special 1 x 1 with Clip with Rounded Tips Black Part 12825 Element 6030718 ×2
  • Tyre 56 x 26 Balloon Black Part 55976 Element 6495636 or 4297209 ×2
  • Wedge Plate 4 Stud 45° Angle Plate Black Part 15706 Element 6054852 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Black Part 43719 Element 6275401 or 4561035 ×1
  • Window 1 x 2 x 2 Plane, Hollow Studs, Single Hole Top and Bottom for Glass Black Part 60032 Element 4539128 or 4507687 ×2

Dark Bluish Gray 48 pieces

  • Bracket 1 x 2 - 2 x 2 Dark Bluish Gray Part 44728 Element 6117972 or 6048854 ×6
  • Brick Sloped Inverted 45° 2 x 1 Dark Bluish Gray Part 3665 Element 4211096 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Bluish Gray Part 3660 Element 4211000 ×2
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×7
  • Plate 2 x 10 Dark Bluish Gray Part 3832 Element 4210678 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×3
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×1
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Dark Bluish Gray Part 6553 Element 4210665 ×2
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×8
  • Technic Beam 1 x 7 Thick Dark Bluish Gray Part 32524 Element 4495931 or 4210752 ×2
  • Technic Beam 1 x 9 Bent (7 - 3) Thick Dark Bluish Gray Part 32271 Element 6276837 or 4281516 ×2
  • Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball Dark Bluish Gray Part 57909b Element 4497253 ×2
  • Technic Reel 3 x 2 Dark Bluish Gray Part 32012 Element 32012199 or 4239891 ×2
  • Tile 1 x 2 with Joystick and Vehicle Control Panel Print Dark Bluish Gray Part 3069bpr0090 Element 4221879 ×1
  • Tile Round 2 x 2 with Bottom Cross Dark Bluish Gray Part 4150 ×2
  • Tile Round 2 x 2 with Silver Star, Red Dot / Black/Red Nindroid Logo Print Dark Bluish Gray Part 4150pr0012 Element 6102561 or 6057884 ×1

Light Bluish Gray 45 pieces

  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×1
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×2
  • Brick Round 2 x 2 Truncated Cone Light Bluish Gray Part 98100 Element 6028324 ×2
  • Equipment Binoculars Light Bluish Gray Part 30162 Element 4550170 or 4212313 ×4
  • Handlebars with Angular Handles Light Bluish Gray Part 98397 Element 4644102 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers on Side, 9 Teeth Light Bluish Gray Part 60471 Element 4515341 ×1
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side Light Bluish Gray Part 11476 Element 6313114 or 6028812 ×2
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×1
  • Plate Special 1 x 2, Top Clip [Split] Light Bluish Gray Part 92280 Element 4598526 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Light Bluish Gray Part 10247 Element 6045988 ×2
  • Technic Beam 1 x 3 Thick Light Bluish Gray Part 32523 Element 4211655 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Light Bluish Gray Part 32064b ×2
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×2
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×4
  • Technic Driving Ring Extension, 4 Ridges Light Bluish Gray Part 32187 Element 4278756 or 4209329 ×2
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×4
  • Technic Pin Connector Round [Slotted] Light Bluish Gray Part 62462 Element 6173127 or 4526985 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×2
  • Weapon Gun / Torch (Space) [No Grooves] Light Bluish Gray Part 86208 Element 4595836 ×2
  • Wedge Plate 2 x 4 Light Bluish Gray Part 51739 Element 4507056 or 4252368 ×1

Pearl Gold 30 pieces

  • Cone 1 x 1 [Top Groove] Pearl Gold Part 59900 Element 4529247 ×6
  • Large Figure Limb Cover, Size 3, Armor with Ball Joint Socket Pearl Gold Part 90641 Element 4624197 ×2
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 2 spares in the box ×11
  • Tool Chainsaw Blade Pearl Gold Part 6117 Element 6202609 or 4655309 ×1
  • Weapon Lightsaber Hilt with Bottom Ring Pearl Gold Part 64567 Element 6003147 1 spare in the box ×2
  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Pearl Gold Part 30173b Element 4505215 1 spare in the box ×2
  • Weapon Sword, Big Blade with Bar Pearl Gold Part 98137 Element 6270131 or 4646843 ×4
  • Wheel 30.4 x 20 without Pinholes, with Reinforced Rim Pearl Gold Part 56145 Element 4648531 ×2

Blue 27 pieces

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Blue Part 47457 Element 4496366 ×1
  • Brick Curved 3 x 1 No Studs Blue Part 50950 Element 4543998 ×2
  • Brick Curved 4 x 1 Double, No Studs Blue Part 93273 Element 4649773 ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [Original Version] Blue Part 92946 Element 4620297 ×2
  • Panel 1 x 2 x 1 [Rounded Corners] Blue Part 4865b Element 6146218 ×2
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×1
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×5
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×4
  • Technic Brick 1 x 12 [11 Pin Holes] Blue Part 3895 Element 389523 ×2
  • Tile 2 x 4 with Groove Blue Part 87079 Element 4654678 or 4560180 ×2
  • Wedge Plate 3 x 3 Cut Corner Blue Part 2450 Element 6536558 or 4609330 ×2
  • Wedge Plate 4 x 2 Left Blue Part 41770 Element 6430083 or 4161330 ×1
  • Wedge Plate 4 x 2 Right Blue Part 41769 Element 6430076 or 4160867 ×1

Dark Blue 4 pieces

  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Dark Blue Part 92593 Element 6036240 ×2
  • Wedge Plate 2 x 4 Dark Blue Part 51739 Element 4613335 or 4251895 ×2

Tan 4 pieces

  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [Original Version] Tan Part 92946 Element 4624988 ×2
  • Technic Pin Long without Friction Ridges Tan Part 32556 ×2

Trans-Dark Blue 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 1 spare in the box ×4

Trans-Red 4 pieces

  • Bar 4L (Lightsaber Blade / Wand) Trans-Red Part 30374 Element 6507880 or 6167284 ×4

Yellow 4 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Yellow Part 4032a Element 403224 ×4

Dark Tan 2 pieces

  • Technic Axle 3 with Stud Dark Tan Part 6587 Element 6031821 or 6013821 ×2

Medium Blue 2 pieces

  • Brick 1 x 2 Medium Blue Part 3004 Element 4629786 or 4179833 ×2

Reddish Brown 2 pieces

  • Plate 2 x 6 Reddish Brown Part 3795 Element 4211247 ×1
  • Tile 2 x 4 with Groove Reddish Brown Part 87079 Element 4579690 ×1

Sand Green 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Sand Green Part 54200 Element 4652205 1 spare in the box ×1
  • Tile 1 x 2 with Groove Sand Green Part 3069b Element 4616578 or 4504803 ×1

White 2 pieces

  • Technic Axle and Pin Connector Perpendicular White Part 6536 Element 6261372 or 4173670 ×2

Dark Brown 1 piece

  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Dark Brown Part 17114 Element 6092731 ×1

Dark Purple 1 piece

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Purple Part 4032a Element 6030534 ×1

Flat Silver 1 piece

  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs Flat Silver Part 75937 Element 6020990 ×1

Green 1 piece

  • Tile 2 x 2 with Groove Green Part 3068b Element 4107762 or 306828 ×1

Trans-Brown 1 piece

  • Windscreen 8 x 4 x 2 with 4 Studs and Handle Trans-Brown Part 92579 Element 6507964 or 6254293 ×1

Trans-Orange 1 piece

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Orange Part 2654 Element 6513980 or 6171727 ×1

Trans-Yellow 1 piece

  • Weapon Axe Blade, Complex (Ninjago) [Techno-Blade] Trans-Yellow Part 15621 Element 6055796 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 70723-1 [No Color/Any Color] Part 16054 Element 6056960 ×1

Minifigures 3 figures

  • Nindroid Warrior Minifigure, checked as a whole figure ×1
  • Jay in Techno Robe Outfit (Rebooted) Minifigure, checked as a whole figure ×1
  • Cole in Techno Robe Outfit (Rebooted) 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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