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Auki Metall-Baukasten Construction Sets

Auki Metall-Baukasten was a Meccano like construction system with some unusual parts. It was produced in Germany from about 1949 to the 1960s.

Manufacturer / Distributor

August Kirchhoff, Carthausen-Oekinghausen/Westf)

Info from the Metal Constructional Systems Database for AUKI

August Kirchhoff
System Type
Hole pitch <12.7mm
1949 to early 1960s
Aluminium (Alloy) / Steel
Boss Type
not tapped
Boss Thread
Diametrical Pitch of Gears
14 (approximately)
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)
--- (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)
(see comment *1)
Material/Finish of Nuts and Bolts
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Most parts aluminium but most circular parts Nickel plated steel. Later parts coloured. Lids have 2 boys playing with models on a table. *1 Roundheaded Bolts in some sets.

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

An Auki set manual - unidentified but builds mainly set 2 models (in German and English)
(Added 25/10/2018)

The manual for Auki sets 1 to 3 (in German and English)
(Added 25/10/2018)

Photos of an Auki set 2
(Added 11/03/2021)

Photos of an Auki set 3
(Added 11/03/2021)

Various photos of the Auki construction system
(Added 25/10/2018)