'Other' Constructional and Allied Systems Info & Downloads

MKA(1) Baukasten Construction Sets

MKA(1) Baukasten was an aluminium construction system with both Meccano and Trix style strips. It was produced in East Germany in the 1950s.

Info from the Metal Constructional Systems Database for M K A [1]

System Type
as TRIX (inc MCX)
Former East Germany
Aluminium (Alloy)
Boss Type
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
44 (approximately)
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
4.5 (see comment *1)
Diameter of the Bore in Bosses(mm)
4.1 (mean)
Diameter of Axle Rods(mm)
4.0 (see comment *2)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
(see comment *3)
Material/Finish of Nuts and Bolts
Aluminium (Alloy) with a Aluminium (Alloy) finish
Size of the Nuts across Flats (mm)
7.0(see comment *4)
Bolt diameter (mm)

TRIX- & MECCANO-style Strips. compare with 'M F C' - N&B have same part no's. *1 4.3 in 'TRIX' Strips. *2 Earlier brass 4.0 diameter. *3 Earlier slotted cheesehead Bolt. *4 Earlier 6.0 Across flats.

The MCS document for this system is shown below. It 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

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

A manual for MKA(1)
(Added 14/11/2018)

The content list for a MKA(1) set
(Added 14/11/2018)

Various photos of the MKA(1) construction system
(Added 14/11/2018)