List of Known Colors For the LEGO 2×4 Bricks
Part of a larger overview including mold numbers and decorated bricks that I am working on. The Pastel Blue/Maersk Blue …
Overviews
oLo Vs. Minitalia Overview
Comparing the mold marking on an OLO and Minitalia brick with X support. [Original post and comments on Flickr.]
UK Test Bricks of Unknown Origin
These M, N and P molds could have been used by Courtauld’s in Wrexham (licenced LEGO production) or by Borg-Warner …
Grangemouth Test Bricks
An overview of the different Borg-Warner Grangemouth test bricks that we know. The dates shown are my estimation.
3001old in Odd Colors – Work in Progress
This is still a work in progress, but I said I would try to post today. Current time is 23:47, …
Suspected and Known Origins of Test Bricks
We currently know (or strongly suspect) that test bricks were made and used at the following locations. Links to albums …
Quick Reference Guide – Is This a Test Brick?
“Is the brick I found special?” Part numbers: 3001old, 3001 and 3001special as used on BrickLink (but excluding the 3001oldf1 …
Test Molds in the Production Process
While we do not know how LEGO works exactly, we can make a reasonable guess about how the material flow …
Bricks With Cross-Support, Mold 133
Logo: modern logo Material: ABS Inner wall: thin with vertical ridges Inner ribs: Between the outer ridges on the long …
Bricks With Cross-Support, Mold 181
Logo: modern logo Material: ABS Inner wall: thin with vertical ridges Inner ribs: Between the outer ridges on the long …