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Metal Brick Construction Sets

Metal Brick was a Meccano-like construction system with both imperial and metric parts. It is a Polylong(1a) type system. It was almost certainly made in China.

Manufacturer / Distributor

Have the Conmay logo on them.
Manufacturered in China

Info from the Metal Constructional Systems Database for POLYLONG [1a] (Ref:PLY1a)

Maker
 
System Type
as EITECH/CONSTRUCTION
Country
China
Dates
2004 to in production in 2022 and continuing
Material
Steel
Thread
M4
Boss Type
push fit
Boss Thread
----
Diametrical Pitch of Gears
25 (see comment *1)
No. of Parts in System
50 (approximately)
Hole Pitch (Spacing) (mm)
10.0
Diameter of holes in Strips(mm)
4.2 (see comment *2)
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (crosshead)
Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish
Size of the Nuts across Flats (mm)
6.9
Bolt diameter (mm)
6.5(see comment *3)

Comments
Various Sets (see separate list) from one or more unknown Chinese makers. Most parts as Eitech/Construction but some others. *1 Mod.1 & finer for Motor/Gear Unit.. *2 Square holes in some RCEE sets. *3 6.1 & 7.4 also reported.

Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They can also be downloaded to your computer if desired here

NOTE : If the 'Other Systems Newsletter' pages for POLYLONG [1a] do not appear in the window below, then refresh the page.

The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

Below there are manuals/leafets which can be downloaded by clicking on the appropriate image.


Photos of a Metal Brick set 6221.

Photos of a Metal Brick set 8823.

Page content last updated - 5th September 2019