Arma

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(1207 systems found)

Arma Construction Sets

Arma was a very simple constructional system using 4mm rods connected by clamps. It was made in the Czechoslovakia, in at least the early 1960s.

Manufacturer / Distributor

IGRA, folk association for the production of toys, Prague, Czechoslovkia
(IGRA, lidové družstvo pro vyrobu hracek, Praha)

Info from the Metal Constructional Systems Database for ARMA (Ref:AMA)

Maker

System Type
Mainly Rods/Tubes

Country
Czechoslovkia / Czech Republic

Dates
known in 1955 to known in 1961

Material
Steel

Thread
M4

Boss Type
no boss

Boss Thread
----

Diametrical Pitch of Gears
--

No. of Parts in System
12

Hole Pitch (Spacing) (mm)
---

Diameter of holes in Strips(mm)
---

Diameter of the Bore in Bosses(mm)

Diameter of Axle Rods(mm)
4.0

Types of Nuts and Bolts
Nuts: --
Bolts: pan (slotted)

Material/Finish of Nuts and Bolts
Steel

Size of the Nuts across Flats (mm)
---

Bolt diameter (mm)

Comments
Details from set with IGRA logo & TYP 1 on lid. 5 galvanised Rods, 20-380mm, joined with J Clips. Other parts: Loose & Fast Pulleys, Hook (aluminium, if original), rubber Axle Stop, wood handled Scr'driver.

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

Photos of an Arma set and literature
(Added 29/09/2020)