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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.

Blade Titan

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8102 Blade Titan

158 pieces in 74 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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.

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

Dark Bluish Gray 27 pieces

  • Antenna 8H Whip Dark Bluish Gray Part 2569 Element 6608939 or 4210642 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×4
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Dark Bluish Gray Part 32174 Element 4217829 ×2
  • Technic Axle and Pin Connector Angled #1 Dark Bluish Gray Part 32013 Element 32013199 or 6296856 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×2
  • Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention] Dark Bluish Gray Part 57908 Element 4498096 ×2
  • Technic Brick Special 2 x 2 with Ball Socket Reinforced and Axle Hole Dark Bluish Gray Part 62712 Element 4524353 or 4497254 ×2
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Horizontal Top] Dark Bluish Gray Part 48170 Element 6279898 or 4227395 ×2
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Horizontal Top], Rotation Joint Socket Dark Bluish Gray Part 47452 Element 6021206 or 4636472 ×2
  • Technic Brick Special 2 x 3 with Pin Holes, Rotation Joint Ball Half [Vertical Side], Rotation Joint Socket Dark Bluish Gray Part 47432 Element 4235573 ×2
  • Technic Pin 3/4 Dark Bluish Gray Part 32002 Element 32002199 or 4211050 1 spare in the box ×2

White 26 pieces

  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×1
  • Brick 2 x 3 White Part 3002 Element 6550133 or 300251 ×1
  • Brick Curved 2 x 2 with Lip, No Studs White Part 30602 Element 4195869 ×2
  • Brick Curved 6 x 1 White Part 42022 Element 4160387 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×2
  • Brick Special 1 x 2 with Handle White Part 30236 Element 4140626 ×1
  • Brick Wedged, Sloped 6 x 4 Cutout, Stud Notches White Part 6153b Element 6320168 or 6110031 ×2
  • Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°] White Part 4285b Element 6024943 or 4501985 ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] White Part 6019 Element 601951 or 601901 ×2
  • Technic Beam 1 x 7 Thick White Part 32524 Element 6564912 or 6318056 ×1
  • Technic Brick 1 x 4 [3 Pin Holes] White Part 3701 Element 6601913 or 370101 ×1
  • Tile 1 x 6 with Groove White Part 6636 Element 6548296 or 663601 ×1
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×5

Light Bluish Gray 24 pieces

  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×2
  • Brick 2 x 4 Light Bluish Gray Part 3001 Element 4211385 ×1
  • Hinge Brick 2 x 2 Locking with 2 Fingers Vertical and Axle Hole, 9 Teeth Light Bluish Gray Part 40902 Element 6093870 or 4215971 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Light Bluish Gray Part 30383 Element 6265694 or 4219913 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×1
  • Technic Beam 1 x 3 Thick Light Bluish Gray Part 32523 Element 4211655 ×2
  • Technic Beam 1 x 5 Thick Light Bluish Gray Part 32316 Element 4211651 ×2
  • Technic Gear 12 Tooth Double Bevel Light Bluish Gray Part 32270 Element 32270194 or 4211634 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×2
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×6

Black 23 pieces

  • Bar 8L - Two Stop Rings / One Pin, Technic Figure Ski Pole [Rounded End] Black Part 2714a Element 4120251 ×6
  • Bar, 4 Top Bars, Palm Tree Top Black Part 2566 Element 4532220 or 4159103 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Technic Axle 6 Black Part 3706 Element 370626 ×1
  • Technic Axle Connector Ridged [with x Hole x Orientation] Black Part 6538b Element 4113805 or 4107083 ×2
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×3
  • Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets Black Part 48172 Element 6296186 or 4275826 ×1
  • Technic Disc 3 x 3 Black Part 2723 Element 4218868 or 4121619 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×4

Yellow 23 pieces

  • Bracket 1 x 2 - 1 x 4 [Square Corners] Yellow Part 2436 Element 4282745 or 243624 ×4
  • Brick Round 1 x 1 Open Stud Yellow Part 3062b Element 306844 or 306224 ×6
  • Cone 1 x 1 [No Top Groove] Yellow Part 4589 Element 458924 Also in Trans-Yellow ×4
  • Dish 2 x 2 Inverted [Radar] Yellow Part 4740 Element 4169960 or 4107622 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Yellow Part 2540 Element 4140587 or 254024 ×2
  • Technic Beam 1 x 2 Thick Yellow Part 43857 Element 4187122 ×1
  • Technic Wedge Belt Wheel [aka Pulley] Yellow Part 4185 Element 6636439 or 6363273 ×3
  • Tile 1 x 2 with Engraved Code for Exo-Force Yellow Part 3069bpr0073 Element 4513198 or 4507020 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Yellow Part 2412b Element 241224 ×1

Dark Red 20 pieces

  • Brick Curved 2 x 3 Dark Red Part 6215 Element 4164228 ×2
  • Brick Curved 6 x 2 Dark Red Part 44126 Element 6030327 or 4283127 ×2
  • Brick Sloped 45° 2 x 4 Dark Red Part 3037 Element 4541380 or 4248802 ×4
  • Brick Sloped Inverted 75° 2 x 1 x 3 Dark Red Part 2449 Element 6267413 or 4539103 ×2
  • Technic Panel Fairing #22 Large Short, Small Hole, Side A Dark Red Part 44352 Element 4501079 ×1
  • Technic Panel Fairing #23 Large Short, Small Hole, Side B Dark Red Part 44353 Element 4501078 ×1
  • Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction Dark Red Part 47455 Element 4298042 or 4217975 ×6
  • Tile 2 x 2 with Groove Dark Red Part 3068b Element 4539105 or 4177046 ×2

Blue 5 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×5

Milky White 2 pieces

  • Large Figure Weapon Staff, Marbled Dark Red Pattern (Staff of Light Blade) Milky White Part 44813pat0001 Element 4501540 ×2

Red 2 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

Tan 2 pieces

  • Bracket 3 x 2 - 2 x 2 [aka Space Seat] Tan Part 4598 Element 4262527 or 4125218 ×1
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×1

Trans-Brown 1 piece

  • Panel 3 x 2 x 6 Trans-Brown Part 2466 Element 4501020 ×1

Trans-Red 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×1

Trans-Yellow 1 piece

  • Cone 1 x 1 [No Top Groove] Trans-Yellow Part 4589 Element 618844 Also in Yellow ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 8102-1 [No Color/Any Color] Part 58392 Element 4499564 ×1

Minifigures 1 figure

  • Takeshi with Gold Armor 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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