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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.

Droid Tri-Fighter

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8086 Droid Tri-Fighter

247 pieces in 54 part and color combinations, plus 3 minifigures.

The official piece count includes the 21 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

Light Bluish Gray 72 pieces

  • Bar 6L with Stop Ring Light Bluish Gray Part 63965 Element 6170418 or 6081975 ×4
  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×15
  • Brick Special 1 x 2 x 2/3 with Studs on Sides Light Bluish Gray Part 4595 Element 6681658 or 4211502 ×15
  • Hinge Brick 1 x 2 Locking with 1 Finger Vertical End and 2 Fingers Vertical End, 9 Teeth Light Bluish Gray Part 30386 Element 4211667 ×15
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Light Bluish Gray Part 44302a Element 4211804 ×3
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×1
  • Slope Inverted 45° 4 x 2 Double with Pins and Axle Hole Type 2 [X Opening] Light Bluish Gray Part 30390b Element 6052373 or 4211633 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×5
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×1
  • Technic Axle and Pin Connector Angled #1 Light Bluish Gray Part 32013 Element 6296859 or 4211550 ×2
  • Technic Beam 1 x 4 Thin with Stud Connector Light Bluish Gray Part 2825 Element 6331574 or 4211561 ×2
  • Technic Engine Crankshaft Light Bluish Gray Part 2853 Element 6640384 or 4211609 ×1
  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×2
  • Technic Plate Rotor 3 Blade with Smooth Ends and 6 Studs (Propeller) Light Bluish Gray Part 32125 Element 4262978 or 4211842 ×5

Dark Bluish Gray 60 pieces

  • Brick Round 1 x 1 Open Stud Dark Bluish Gray Part 3062b Element 4211090 ×4
  • Brick Round 1 x 1 with Fins, Open Stud Dark Bluish Gray Part 4588 Element 6331222 or 6321195 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×3
  • Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Dark Bluish Gray Part 47456 Element 6478108 or 6063277 ×6
  • Cone 1 x 1 [Top Groove] Dark Bluish Gray Part 59900 Element 4529240 ×3
  • Cone 2 x 2 x 2, Open Stud Dark Bluish Gray Part 3942c Element 6533790 or 6092666 ×1
  • Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Dark Bluish Gray Part 30553 Element 4210695 ×3
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, with Groove Dark Bluish Gray Part 44301a Element 4210883 ×3
  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Dark Bluish Gray Part 30383 Element 6265693 or 4210726 ×3
  • Hinge Tile 1 x 4 Locking Dual 1 Fingers on Top [4 Locking Ridges] Dark Bluish Gray Part 44822 Element 4193107 ×2
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×3
  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 1 spare in the box ×12
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×1
  • Technic Pin 3/4 Dark Bluish Gray Part 32002 Element 32002199 or 4211050 1 spare in the box ×1
  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Dark Bluish Gray Part 32530 Element 4210763 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×9
  • Wheel Arch, Mudguard 1 x 4 1/2 Dark Bluish Gray Part 50947 Element 4500903 or 4246897 ×3

Dark Blue 55 pieces

  • Brick Round 1 x 1 Open Stud Dark Blue Part 3062b Element 4177741 ×6
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue Part 54200 Element 4504374 or 4502092 1 spare in the box ×7
  • Plate 1 x 2 Dark Blue Part 3023 Element 6554191 or 4528981 ×3
  • Tile 1 x 4 with Groove Dark Blue Part 2431 Element 6103985 or 4568393 ×15
  • Tile 2 x 4 with Groove Dark Blue Part 87079 Element 4569836 ×12
  • Wedge Plate 4 x 2 Left Dark Blue Part 41770 Element 4529954 or 4247065 Also in Black ×6
  • Wedge Plate 4 x 2 Right Dark Blue Part 41769 Element 4502091 or 4247066 Also in Black ×6

Black 47 pieces

  • Brick Special 1 x 2 with Studs on 2 Sides Black Part 52107 Element 4253815 ×21
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and 2 Fingers On Ends, with Hole, 9 Teeth Black Part 30554b Element 4507820 or 4143246 ×3
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×2
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×3
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×1
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 ×1
  • Weapon Gun / Blaster Short (Star Wars) Black Part 58247 Element 4498713 ×3
  • Wedge Plate 4 x 2 Left Black Part 41770 Element 4161332 Also in Dark Blue ×6
  • Wedge Plate 4 x 2 Right Black Part 41769 Element 4160869 Also in Dark Blue ×6

Trans-Red 6 pieces

  • Cone 1 x 1 [Top Groove] Trans-Red Part 59900 Element 6514021 or 6337596 ×4
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Red Part 41669 Element 4163567 ×2

Trans-Neon Orange 3 pieces

  • Dish 2 x 2 Inverted [Radar] Trans-Neon Orange Part 4740 Element 6245295 or 3006347 ×3

Trans-Brown 2 pieces

  • Windscreen 6 x 6 x 3 Canopy Half Sphere with Dual 2 Fingers and Droid Tri-Fighter Dark Blue Triangles Print Trans-Brown Part 50747pr0003 Element 4570086 ×2

Blue 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 8086-1 [No Color/Any Color] Part 88526 Element 4568120 ×1

Minifigures 3 figures

  • Battle Droid / Rocket Battle Droid Minifigure, checked as a whole figure ×2
  • Battle Droid / Rocket Battle Droid Commando 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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