Free tool

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.

Robin and Redbird Cycle

Checking

30166 Robin and Redbird Cycle

35 pieces in 17 part and color combinations, plus 1 minifigure.

The official piece count includes the 5 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.

Show

Piece checklist

Black 15 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×2
  • Handlebars Black Part 30031 Element 3003126 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×4
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×4
  • Tile Special 1 x 1 with Clip with Rounded Tips Black Part 12825 Element 6030718 ×1
  • Tyre Offset Tread with Center Band 23 x 7 Black Part 61254 Element 4541455 ×2

Red 13 pieces

  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×2
  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Red Part 47458 Element 6375708 or 4220516 ×1
  • Brick Wedged, Curved 3 x 4 x 2/3 Cutout Red Part 11291 Element 6179656 or 6016772 ×1
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Red Part 3794b Element 379421 ×1
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×4
  • Wheel 18 x 8 with Fake Bolts and Shallow Spokes Red Part 56902 Element 4512353 ×2

Light Bluish Gray 4 pieces

  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×4

Tan 2 pieces

  • Technic Pin Long without Friction Ridges Tan Part 32556 ×2

Dark Bluish Gray 1 piece

  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1

Minifigures 1 figure

  • Robin with Black Eyemask 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.