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Mehano(Tehnika) Electrical Construction Sets
and various other names (see below)

Mehano (Tehnika) Electrical was a system for making electrical experiments. It was originally made in Yugoslavia and then later in Slovenia from 1952 to at least 2009 and possible still in production.

It has been sold under different names in other countries - Den Lille Elektrikern (Denmark), Der Kleine Elekrotechniker (Germany), Elektro-Pionir or Elektro (Slovenia), Le Petit Electrotechnicien (France), Pieni Sähköteknikko (Finland) and The Little Electrotechnician (UK).

Manufacturer / Distributor

Originally: Mehanotechnika, Izola, Yugoslavia
Later: Mehano, 6310 Izola, Polje 9 Slovenia

Info from the Metal Constructional Systems Database for MEHANO (TEHNIKA) Electrical

System Type
Slovenia (see comment *1)
1952 to in production in 2009 and continuing
Steel / Plastic
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
40 (more than)
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
4.3 (see comment *2)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
2.0 (see comment *3)
Types of Nuts and Bolts
Nuts: square
Bolts: tapered cheese (slotted)
Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Has a few standard parts. Sold under other names, see DER KLEINE ELEKTROTECHNIKER; DEN LILLE ELEKTRIKERN; ELEKTRO-PIONIR or ELEKTRO; LE PETIT ELECTROTECHNICIEN; PIENI SÄHKÖTEKNIKKO; LITTLE ANCHOR ENGINEER. Data from 1999 set. MEHANO from '90. *1 Was Yugoslavia. *2 Also 2.2 as bearing. *3 Armature shaft only.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

NOTE : If the MCS document does not appear in the window below, then refresh the page.

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 which can be downloaded by clicking on the appropriate image.

The 1966 Product catalogue (French Version) by Mehanotehnika, Isola.
Mehano(Tehnika) electrical construction sets can be seen towards the end of the catalogue
(Added 23/05/2021)