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KW Metallbaukasten Construction Sets

KW Metallbaukasten was a simple Meccano-like construction system. It was produced in East Germany in around 1947 to 1948

Manufacturer / Distributor

Karl Wagner, Apparatefabrik, Berlin SO 36, Kottbusser Ufer 7, East Germany

Info from the Metal Constructional Systems Database for KW Metallbaukasten (Ref:KWB)

System Type
Hole pitch <12.7mm
Germany (see comment *1)
1947 to known in 1948
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)
3.2 (mean)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
--- (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Small range of plain steel parts including 3-15h Strips, 5x11h Perforated Plate, & 11 holes Angle Girder with all round holes. *1 possibly Former East Germany but unlikely.

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

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

A manual for KW Metallbaukasten sets
(Added 14/11/2018)

Various photos of the KW Metallbaukasten construction system
(Added 14/11/2018)