'Other' Construction and Allied Systems Downloads

KA-KA-HA Construction Sets

KA-KA-HA was a construction with similarities to Meccano and Eitech construction. It was made in the former East Germany from around 1950-53.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Hole pitch >12.7mm
Country
Former East Germany (probably)
Dates
known in 1948 to known in 1952
Material
Aluminium (Alloy) / Metal
Thread
M4
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
34 (approximately)
Hole Pitch (Spacing) (mm)
12.8
Diameter of holes in Strips(mm)
4.2
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
M4 (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (slotted)
Material/Finish of Nuts and Bolts
Steel with a Brass finish
Size of the Nuts across Flats (mm)
Large (like MÄRKLIN)
Bolt diameter (mm)
 

Comments
Black Strips, Brackets, & Angle Girders; red, blue, green, black Plates; red Pulleys; silvery Flanged Disc Pulley. Lid has large Suspension Bridge & other smaller models. Dates from JCM.

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


The KA-KA-HA manual for 1950-52
(Scans from Urs Flammer)

The KA-KA-HA manual for 1950-52
(Scans from Jean-Pierre)

The KA-KA-HA manual for 1952-53
(Scans from Jean-Pierre)

Various photos of the KA-KA-HA construction system
(Photos form Urs Flammer)