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Metall Bau Kasten(7)(HO) Construction Sets

Metall-Baukasten[4] and Metall Bau Kasten(7)(HO) are two different sets of the same system. They are a simple Meccano-like construction system. It was thought to be produced in East Germany.

Manufacturer / Distributor

An unknown company from GDR (East Germany)

Info from the Metal Constructional Systems Database for METALL BAU KASTEN [7] (H O) (Ref:MBNH)

System Type
Hole pitch <12.7mm
Former East Germany (some significant doubt)
in production in World War Two and continuing (some significant doubt)
Aluminium (Alloy)
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
11 (approximately)
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
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: round (slotted)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Large (like MÄRKLIN)
Bolt diameter (mm)

The lid has a Crane above a barge's deck. The Crane's load is a diamond shaped 'HO' logo (or is it 'H0'?). Name is 3 words at top right. aluminium simple system with silvery looking parts, Strips up to 8 holes long & a Wheel Disc.

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

Manufacturer / Distributor

An unknown company from

NOTE - The 'Other Systems Newsletter' pages displayed further up this web page, may also include information on this system/era.

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

A model sheet for a Metall Bau Kasten(7)(HO) set
(Added 14/11/2018)

Various photos of the Metall Bau Kasten(7)(HO) construction system
(Added 14/11/2018)

A model sheet for a Metallbaukasten(4) set
(Added 13/09/2023)

Photos of a Metallbaukasten(4) set
(Added 13/09/2023)