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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Separatist Spider Droid

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7681 Separatist Spider Droid

189 pieces in 55 part and color combinations, plus 5 minifigures.

LEGO counts 206 pieces. This inventory comes from a separate parts catalog and lists 214, 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.

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Piece checklist

Light Bluish Gray 79 pieces

  • Antenna 1 x 4 with Rounded Top Light Bluish Gray Part 3957a ×2
  • Brick 2 x 3 Light Bluish Gray Part 3002 Element 4211386 ×2
  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Light Bluish Gray Part 3048c Element 4211411 ×12
  • Brick Sloped 45° 2 x 2 Light Bluish Gray Part 3039 Element 4211410 ×3
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Light Bluish Gray Part 3660 Element 4211436 ×4
  • Brick Wedged 3 x 3 Facet Light Bluish Gray Part 2462 Element 4211718 ×4
  • Dish 6 x 6 Inverted (Radar) with Hollow Studs Light Bluish Gray Part 44375a ×2
  • Hinge Brick 1 x 2 Base Light Bluish Gray Part 3937 Element 4211469 ×1
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, with Groove Light Bluish Gray Part 44301a Element 4211803 ×1
  • Plate Round 4 x 4 with Pin Hole Light Bluish Gray Part 60474 Element 4515351 ×4
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×2
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×4
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×4
  • Technic Axle and Pin Connector Angled #2 - 180° Light Bluish Gray Part 32034 Element 6346487 or 4211567 ×4
  • Technic Beam 1 x 2 Thick Light Bluish Gray Part 43857 Element 4211862 ×1
  • Technic Pin Connector Perpendicular 2 x 2 Bent Light Bluish Gray Part 44809 Element 4211880 ×5
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×16
  • Technic Worm Gear Light Bluish Gray Part 4716 Element 4211510 ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×4

Dark Bluish Gray 73 pieces

  • Brick Round Corner 4 x 4 Full Brick Dark Bluish Gray Part 2577 Element 4597258 or 4279060 ×8
  • Brick Sloped 45° 2 x 2 Double Convex Dark Bluish Gray Part 3045 Element 4210646 ×4
  • Brick Sloped Inverted 45° 2 x 2 Double Convex Dark Bluish Gray Part 3676 Element 4210862 ×4
  • Brick Special 1 x 2 with 2 Pins, Round Pin Holes Dark Bluish Gray Part 30526 Element 4210697 ×4
  • Cone 1 x 1 [No Top Groove] Dark Bluish Gray Part 4589 Element 4518486 or 4210647 ×1
  • Dish 2 x 2 Inverted [Radar] Dark Bluish Gray Part 4740 Element 4211010 ×1
  • Dish 3 x 3 Inverted [Radar] Dark Bluish Gray Part 43898 Element 4210865 ×1
  • Headwear Accessory Floodlight for Helmet, with Holes (Star Wars Clone Trooper) Dark Bluish Gray Part 63585 ×2
  • Headwear Accessory Rangefinder for Helmet, with Holes (Star Wars Clone Trooper) Dark Bluish Gray Part 63586 ×2
  • Minifig Neckwear Bracket [One Stud] Dark Bluish Gray Part 42446 Element 4210469 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×3
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×8
  • Technic Axle 3 with Stud Dark Bluish Gray Part 6587 Element 6587199 or 6129590 ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray Part 59443 Element 6084613 or 4516546 ×6
  • Technic Axle and Pin Connector Angled #1 Dark Bluish Gray Part 32013 Element 32013199 or 6296856 ×6
  • Technic Axle and Pin Connector Perpendicular Double Split Dark Bluish Gray Part 41678 Element 4234599 ×8
  • Technic Beam 1 x 7 Thick Dark Bluish Gray Part 32524 Element 4495931 or 4210752 ×8
  • Technic Brick 1 x 1 with Pin Hole Dark Bluish Gray Part 6541 Element 4210639 ×2
  • Weapon Gun / Blaster Small DC-17 (Star Wars Accessory) Dark Bluish Gray Part 61190f ×2

Black 24 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×1
  • Flexible Hose 8.5L with Tabbed Ends (Ends Same Color as Tube) Black Part 73590c02a Element 4540890 or 621130 ×2
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×1
  • Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Black Part 30553 Element 4143372 ×1
  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×8
  • Technic Axle 6 Black Part 3706 Element 370626 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×1
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×1
  • Weapon Gun / Blaster Short (Star Wars) Black Part 58247 Element 4498713 ×4

Blue 7 pieces

  • Brick Special 2 x 2 with 2 Pins and Axle Hole Blue Part 30000 Element 3000023 ×2
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×2

Reddish Brown 4 pieces

  • Technic Axle Connector Smooth [with x Hole + Orientation] Reddish Brown Part 59443 Element 4531751 ×4

Red 1 piece

  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×1

Trans-Red 1 piece

  • Dish 2 x 2 Inverted [Radar] Trans-Red Part 4740 Element 6580377 or 6245303 ×1

Minifigures 5 figures

  • Battle Droid, One Bent Arm, One Straight Arm Minifigure, checked as a whole figure ×1
  • Super Battle Droid, Pearl Dark Gray Minifigure, checked as a whole figure ×1
  • Battle Droid Commander, One Bent Arm, One Straight Arm, Yellow Torso Minifigure, checked as a whole figure ×1
  • Clone Commander Fox - Solid LBG Circle Minifigure, checked as a whole figure ×1
  • Clone Trooper, Phase I Armor, Brown Eyes 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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