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Mehaniskais Konstruktors Skolens / Mekhanicheski? Konstruktor Shkol'nik
(Мехнический Конструктор Школьник)
Elektromehaniskais Konstruktors (Электромехнический Конструктор)
Elektriskais Konstruktors (Электроконструктор Конструктор)

These sets are all part of the same system. There appears to be at least three sets of 'Mehaniskais Konstruktors Skolens' (1, 2 & 3). There then appears to be two electrical sets - 'Elektromehaniskais Konstruktors' allowing electrical models to be built and 'Elektriskais Konstruktors' for electrical experiments. Many of the mechanical parts are similar to 1960s Meccano, although they are only 12.5mm hole spacing. It was made in Riga in Latvia in the 1980s.

Note that Mekhanicheski? Konstruktor Shkol'nik', is purely the Russian equivalent in the western alphabet of the Latvian 'Mehaniskais Konstruktors Skolens'.

Mehaniskais Konstruktors Skolens (Мехнический Конструктор Школьник)

Manufacturer / Distributor

Era factory, Riga, Latvia
(З-д «Эра», Рига)
Later: Riga Toy Factory, Riga, Latvia (Рижский з-д Игрушек)

Info from the Metal Constructional Systems Database for MEHANISKAIS KONSTRUKTOR SKOLENS (Ref:MKS)

Maker
 
System Type
Hole pitch <12.7mm and Very like Meccano
Country
Russia
Dates
known in 1987 (some significant doubt) to known in 1990
Material
Steel
Thread
M4
Boss Type
key fixing (see comment *1)
Boss Thread
----
Diametrical Pitch of Gears
25 (see comment *2)
No. of Parts in System
60
Hole Pitch (Spacing) (mm)
12.5
Diameter of holes in Strips(mm)
4.3
Diameter of the Bore in Bosses(mm)
4.4
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish
Size of the Nuts across Flats (mm)
7.1
Bolt diameter (mm)
7.0

Comments
*1KONSTRUKTORS. Latvian, plus Russian MEKHANICHESKI? KONSTUKTOR SHKOL'NIK on box. Parts common to ELEKTROMEHANISKAIS KONSTRUKTORS, METALLIRAKENNUSSARJA probably identical. *2 Rubber Strip used as key. *3 Mod 1, may have been .6 earlier.

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

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

NOTE : If the 'Other Systems Newsletter' pages for MEHANISKAIS KONSTRUKTOR SKOLENS do 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.


A Mehaniskais Konstruktors Skolens set 1 manual from 1985
(Added 20/10/2019)

Photos of a Mehaniskais Konstruktors Skolens set 1 from 1985
(Added 20/10/2019)

A Mehaniskais Konstruktors Skolens set 2 manual from 1985
(Added 20/02/2021)

Photos of a Mehaniskais Konstruktors Skolens set 2 from 1985
(Added 20/02/2021)

A Mehaniskais Konstruktors Skolens set 3 manual from 1980s
(Added 20/10/2019)

Elektromehaniskais Konstruktors (Электромехнический Конструктор)

Manufacturer / Distributor

Era factory, Riga, Latvia
(З-д «Эра», Рига)
Later: Riga Toy Factory, Riga, Latvia (Рижский з-д Игрушек)

Info from the Metal Constructional Systems Database for ELEKTROMEHANISKAIS KONSTRUKTORS (Ref:EMK)

Maker
 
System Type
Hole pitch <12.7mm
Country
Russia
Dates
known in 1983
Material
Steel
Thread
M4
Boss Type
key fixing (see comment *1)
Boss Thread
----
Diametrical Pitch of Gears
25 (see comment *2)
No. of Parts in System
95
Hole Pitch (Spacing) (mm)
12.5
Diameter of holes in Strips(mm)
4.3
Diameter of the Bore in Bosses(mm)
4.3 (mean)
Diameter of Axle Rods(mm)
4.0
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Iridescent finish
Size of the Nuts across Flats (mm)
6.9
Bolt diameter (mm)
6.9

Comments
ELEKTROMEHANISKAIS. Latvian name. Related to EKS. In MCS as ONbITOB. *1 Square rubber strip used as key. *2 Mod 1, may have been 0.6 earlier.

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

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

NOTE : If the 'Other Systems Newsletter' pages for ELEKTROMEHANISKAIS KONSTRUKTORS do 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.


An Elektromehaniskais Konstruktors set manual from 1980s
(Added 20/10/2019)

Photos of an Elektromehaniskais Konstruktors set
(Added 27/02/2022)

Photos of an Elektromehaniskais Konstruktors set
(Added 20/03/2024)

Elektriskais Konstruktors (Электроконструктор Конструктор)

Manufacturer / Distributor

Era factory, Riga, Latvia
(З-д «Эра», Рига)
Later: Riga Toy Factory, Riga, Latvia (Рижский з-д Игрушек)

Info from the Metal Constructional Systems Database for ELEKTRISKAIS KONSTRUKTORS (Ref:EKS)

Maker
 
System Type
Electrical/science
Country
Russia
Dates
1980s (some significant doubt)
Material
Metal / Wood
Thread
M4
Boss Type
 
Boss Thread
 
Diametrical Pitch of Gears
--
No. of Parts in System
25
Hole Pitch (Spacing) (mm)
12.5
Diameter of holes in Strips(mm)
4.4 (approximately)
Diameter of the Bore in Bosses(mm)
 
Diameter of Axle Rods(mm)
 
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Iridescent finish
Size of the Nuts across Flats (mm)
6.5
Bolt diameter (mm)
7

Comments
Latvian name. Related to ELEKTROMEHANISKAIS KONSTRUKTORS. One set called 'Skolnieks 3', another, larger, has no name.

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

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

NOTE : If the 'Other Systems Newsletter' pages for ELEKTRISKAIS KONSTRUKTORS do 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.


An Elektriskais Konstruktors manual from 1970
(Added 19/02/2021)

Photos of an Elektriskais Konstruktors set and parts from around 1979, showing two different set box lids
(Added 19/02/2021)

An Elektriskais Konstruktors Skolens set 3 manual dated 1988
(Added 08/09/2022)

Photos of an Elektriskais Konstruktors Skolens set 3 of 1988 or later
(Added 08/09/2022)

Page content last updated - 20th March 2024