KA-KA-HA

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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.

Manufacturer / Distributor

Phönix-Produktiv-Denossenschaft GmbH., Halle, Germany

Info from the Metal Constructional Systems Database for KA-KA-HA (Ref:KAK)

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.

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

The KA-KA-HA manual for 1950-52
(Added 15/11/2018)

The KA-KA-HA manual for 1950-52
(Added 18/10/2018)

The KA-KA-HA manual for 1952-53
(Added 18/10/2018)

Various photos of the KA-KA-HA construction system
(Added 15/11/2018)