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Der Junge Baumeister(2) (WEHMA) Construction Sets

Der Junge Baumeister(2) was a Meccano-like construction system, using mainly strips and flat plates, The system is sometimes known as WEHMA after the name of the manufacturer. It was made in Germany in the late 1940s.

Manufacturer / Distributor

WEHMA GmbH, Mandeln, Essen, Germany

Info from the Metal Constructional Systems Database for DER JUNGE BAUMEISTER [2] (Ref:DJB2)

System Type
Hole pitch >12.7mm
circa 1947
Steel (probably)
Boss Type
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
3.0 (approximately)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
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)

Made by Wehma. Blue Funicular Railway on lid. Parts include unusual Triangular & Perforated. Plates, & Narrow Strips. Yellow Pulleys. Other parts green first, later red/blue & red/dark green (or black).

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 Der Junge Baumeister(2) manual.
(Added 07/03/2021)

Photos of a Der Junge Baumeister(2) set.
(Added 07/03/2021)