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British Model Builder Construction Sets

British Model Builder was identical to Meccano X Series. It was made by Meccano Ltd from 1932 to around 1937. It would not have been sold in Meccano dealers, but in ordinary toy shops and stores

Manufacturer / Distributor

Meccano Ltd., Binns Road, Liverpool, UK

Info from the Metal Constructional Systems Database for BRITISH MODEL BUILDER (Ref:BMB)

System Type
as TRIX (inc MCX)
United Kingdom
1932 to 1937
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
3.9 (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Alternative packaging of MECCANO X although finish of parts different.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

NOTE : If the MCS document does 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.

British Model Builder Set No.1

A British Model Builder set 1 instruction leaflet, print ref 7/532/80(1P)

A British Model Builder set 2 instruction leaflet, print ref 7/532/60(1P)

British Model Builder Set No.2

A British Model Builder set 2 instruction leaflet with print ref 13/834/5 is known to exist.
Added 5/5/20