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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.

Space Swarmer

Checking

70700 Space Swarmer

79 pieces in 38 part and color combinations, plus 2 minifigures.

The official piece count includes the 7 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

Dark Bluish Gray 18 pieces

  • Brick Sloped 33° 3 x 2 Dark Bluish Gray Part 3298 Element 4211106 ×1
  • Brick Sloped Inverted 45° 6 x 1 Double with 1 x 4 Recessed Dark Bluish Gray Part 52501 Element 4294180 ×2
  • Brick Special 1 x 1 with Studs on 2 Sides Dark Bluish Gray Part 47905 Element 4213574 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×5
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×2
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×2
  • Tile 2 x 2 with 3 Hexagons, Spaceship and Alien Characters Print Dark Bluish Gray Part 3068bpr0199 Element 6023436 ×1
  • Weapon Gun / Pistol Two Barrel, 10 Ribs Dark Bluish Gray Part 95199 Element 4623236 ×2

Lime 14 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Lime Part 53451 Element 6337299 or 4579250 1 spare in the box ×3
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Lime Part 11153 Element 6578745 or 6033782 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Lime Part 61409 Element 6370977 or 4540385 ×2
  • Plate 1 x 2 Lime Part 3023 Element 4164037 or 4122439 ×4
  • Plate 2 x 2 Lime Part 3022 Element 4613977 or 4537937 ×2
  • Tile Round 2 x 2 with Open Insect Mouth Print Lime Part 4150pr9009 Element 6023463 ×1

Black 12 pieces

  • Dish 2 x 2 Inverted [Radar] Black Part 4740 Element 474026 ×1
  • Equipment Camera with Side Sight [aka Space Gun] Black Part 4360 Element 436026 ×1
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and Technic Friction Pin with Round Hole Black Part 41532 Element 4159335 ×2
  • Plate Special 1 x 2 with Angled Handles on Side Black Part 92692 Element 4604304 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Black Part 63868 Element 6336989 or 4535739 ×2
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×2
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs Black Part 75937 Element 6018805 ×1
  • Technic Beam 1 x 2 Thick Black Part 43857 Element 4385726 or 4177444 ×1

Dark Red 9 pieces

  • Arm Mechanical with Clip [Thick Support] Dark Red Part 98313 Element 6276866 or 6006738 ×7
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×2

Light Bluish Gray 7 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×4
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×2

Flat Silver 5 pieces

  • Weapon Gun Ray / Sci Fi - Rounded Heat Diffusers Flat Silver Part 13608 Element 6046398 ×1
  • Weapon Scythe / Crescent Blade Serrated with Bar Flat Silver Part 98141 Element 6270142 or 4651535 ×4

Trans-Dark Pink 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Pink Part 6141 Element 6514060 or 6240230 1 spare in the box ×4

Tan 3 pieces

  • Brick Special 1 x 2 Palisade [aka Log] Tan Part 30136 Element 4218749 or 4114053 ×1
  • Plate Round 1 x 1 with Solid Stud Tan Part 6141 Element 4161734 or 614105 1 spare in the box ×2

Trans-Red 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×2
  • Windscreen 6 x 4 x 2 1/3 Bubble Canopy with Handle Trans-Red Part 87752 Element 6009608 ×1

Trans-Neon Green 2 pieces

  • Hinge Plate 1 x 8 Locking with Angled Side Extensions, Rounded Plate Underside, 9 Teeth Trans-Neon Green Part 30407 Element 6023317 or 4144514 ×2

Blue 1 piece

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

White 1 piece

  • Lever Small Base with Black Lever White Part 298c02 Element 73737 1 spare in the box ×1

Minifigures 2 figures

  • Robot, Dark Azure with Neck Bracket Minifigure, checked as a whole figure ×1
  • Alien Buggoid, Olive Green 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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