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.

Harbor Sentry

Checking

6245 Harbor Sentry

20 pieces in 13 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 8 pieces

  • Antenna 1 x 4 with Rounded Top Black Part 3957a ×1
  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×6
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Black Part 3403c01 Element 4221663 or 4143677 ×1

Brown 4 pieces

  • Equipment Oar / Paddle Brown Part 2542 Element 4106940 or 254275 ×2
  • Launcher Base, Weapon Cannon Base 2 x 4 Brown Part 2527 Element 4161404 or 252725 ×1
  • Weapon Gun / Pistol Flintlock Brown Part 2562 Element 256225 ×1

Light Gray 4 pieces

  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×2
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×1
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×1

Dark Gray 2 pieces

  • Weapon Cannon Non Shooting Black Handle Dark Gray Part 84943a ×1
  • Weapon Sword / Cutlass Dark Gray Part 2530 Element 4161408 or 4106923 ×1

Red 1 piece

  • Boat / Rowing Boat 14 x 5 x 2 with Oarlocks [2 Hollow Inside Studs] Red Part 2551 Element 255121 ×1

White 1 piece

  • Flag 2 x 2 Square with Imperial Soldier Black Symbol over White Cross on Blue Background Print White Part 2335pr0005 ×1

Minifigures 1 figure

  • Soldier (Imperial Soldier) - Bicorne Hat 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.