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Suspected and Known Origins of Test Bricks

May 31, 2022January 1, 2017 by WRme2

We currently know (or strongly suspect) that test bricks were made and used at the following locations. Links to albums …

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Categories Test Tags Overviews 1 Comment

Quick Reference Guide – Is This a Test Brick?

November 25, 2020January 1, 2017 by WRme2

“Is the brick I found special?” Part numbers: 3001old, 3001 and 3001special as used on BrickLink (but excluding the 3001oldf1 …

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Categories Production, Test Tags Overviews Leave a comment

Test Molds in the Production Process

November 25, 2020January 1, 2017 by WRme2

While we do not know how LEGO works exactly, we can make a reasonable guess about how the material flow …

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Categories Test Tags Overviews Leave a comment

3001 Old – 343 to 350 Inside Tubes

June 18, 2021November 28, 2015 by Fantastic Brick

Unusual colors – found in Germany by Thomas Modern logo Inner ribs: Visible as a frosted line on both the …

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Categories Bayer Tags Numbers inside tubes Leave a comment

Modulex Mold Types (Part 2: Position Numbers)

July 26, 2021November 19, 2015 by Rylie Howerter

There seem to be five different molds: Old-LEGO-logo: A (1-14) Pat. pend B (1-14) Pat. pend, sometimes erased CA plastic, …

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Categories Modulex Bricks Leave a comment

Modulex 2×4 Molds (Part 1: Colors)

July 26, 2021November 18, 2015 by Rylie Howerter

There seem to be five different molds: Old-LEGO-logo: A (1-14) Pat. pend B (1-14) Pat. pend, sometimes erased CA plastic, …

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Categories Modulex Bricks Leave a comment

Bricks With Cross-Support, Mold 174 Details

July 26, 2021June 10, 2015 by WRme2

I found a few variations for mold 174. With good light and some magnification, the erased mold numbers can often …

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Categories 3001 Leave a comment

Bricks With Cross-Support, Mold 133

July 26, 2021June 10, 2015 by WRme2

Logo: modern logo Material: ABS Inner wall: thin with vertical ridges Inner ribs: Between the outer ridges on the long …

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Categories Production Tags Overviews Leave a comment

Bricks With Cross-Support, Mold 181

July 26, 2021June 10, 2015 by WRme2

Logo: modern logo Material: ABS Inner wall: thin with vertical ridges Inner ribs: Between the outer ridges on the long …

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Categories 3001 Tags Overviews Leave a comment

Modulex Color Timeline

July 26, 2021March 28, 2015 by Rylie Howerter

Modulex started out in 1963 with earthy colors for architectural planning. Modulex broke off from TLG and became its own …

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Categories Modulex Bricks Leave a comment
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Categories

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      • 3001 (11)
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