'Other' Constructional and Allied Systems Info & Downloads

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Young Engineer(1)/Du Jeune Ingénieur
Constructo(1)
Build-O Construction Sets
Built-O-Mobile

All these construction systems appear to be repackaged Merkur marketed by Paramount Industries, Canada. Not certain if they were made in Canada under license or were imported from Merkur in Czechoslovakia. It is thought that Young Engineer(1)/Du Jeune Ingénieur came first in around 1978. followed by Constructo(1) in around 1980 and then Build-O in 1981/2. Not sure where Built-O-Mobile fits in at present as no dates for it are currently known.

Both the YOUNG ENGINEER and CONSTRUCTO manuals are reworked versions of the MERKUR English instruction 1-7 sets manual that was published in 1960. Different picture layouts in each manual but with the exact same English texts copied from MERKUR….

The BUILT-O-MOBILE manual is a reworked English / French version of the 1965 Merkur No. 201 and 202 sets manual (which introduced new parts like the rubber tracks and large tractor wheels / tires). This manual is confusing because the English instruction texts have numerous references to the MERKUR No. 1-7 and 201 - 202 sets and say nothing about the Canadian V8 - V12 sets while the French pages have V8 - V12 instead of 201 - 202.....

Young Engineer(1) / Du Jeune Ingénieur


Manufacturer / Distributor

Marketed by Parmount Industries, 2175 Theodore, Montreal, Canada.
Not sure if made by: Science Master, 198 Churchhill Boulevard, Greenfield Park, Quebec, Canada.
Or Imported from Merkur, Czechoslovakia


Info from the Metal Constructional Systems Database for YOUNG ENGINEER [1] / LE JEUNE INGÉNIEUR

Maker
Merkur
System Type
MERKUR type
Country
Canada
Dates
1978 to 1980
Material
Steel
Thread
M3.5
Boss Type
single-tapped
Boss Thread
M3;M4
Diametrical Pitch of Gears
30
No. of Parts in System
49
Hole Pitch (Spacing) (mm)
10.0
Diameter of holes in Strips(mm)
3.9
Diameter of the Bore in Bosses(mm)
3.8
Diameter of Axle Rods(mm)
3.7
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
 

Comments
Bilingual names. Parts from MERKUR & details assumed the same.

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


A Young Engineer(1) / Du Jeune Ingénieur manual for set 6.
Added 14/01/20

Constructo(1)


Manufacturer / Distributor

Marketed by Parmount Industries, 2175 Theodore, Montreal, Canada.
Not sure if made by: Science Master, 198 Churchhill Boulevard, Greenfield Park, Quebec, Canada.
Or Imported from Merkur, Czechoslovakia


Info from the Metal Constructional Systems Database for CONSTRUCTO [1]

Maker
Merkur
System Type
MERKUR type
Country
Canada
Dates
1980
Material
Steel
Thread
M3.5
Boss Type
single-tapped
Boss Thread
M4;M3
Diametrical Pitch of Gears
30
No. of Parts in System
97 (see comment *1)
Hole Pitch (Spacing) (mm)
10.0
Diameter of holes in Strips(mm)
3.9
Diameter of the Bore in Bosses(mm)
3.8
Diameter of Axle Rods(mm)
3.7
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel
Size of the Nuts across Flats (mm)
5.9
Bolt diameter (mm)
6.0

Comments
Lid has boy, sometimes two, with several small models. Parts are from MERKUR & details are assumed the same.

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/leaflets which can be downloaded by clicking on the appropriate image.


A Constructo(1) manual for sets Mark 1 to 3.
(Front cover replaced 03/04/2022)

A Constructo(1) manual for sets Mark 5 and 6.
(Added 3/10/2021)

Photos of a Constructo(1) Mark 5 set box.
(Added 3/10/2021)

Build-O


Manufacturer / Distributor

Marketed by Parmount Industries, 2175 Theodore, Montreal, Canada.
Not sure if made by: Science Master, 198 Churchhill Boulevard, Greenfield Park, Quebec, Canada.
Or Imported from Merkur, Czechoslovakia


Info from the Metal Constructional Systems Database for BUILD-O

Maker
Merkur
System Type
MERKUR type
Country
Canada
Dates
1981 to 1982
Material
Steel
Thread
M3.5
Boss Type
single-tapped
Boss Thread
M3;M4
Diametrical Pitch of Gears
30
No. of Parts in System
87 (see comment *1)
Hole Pitch (Spacing) (mm)
10.0
Diameter of holes in Strips(mm)
3.9
Diameter of the Bore in Bosses(mm)
3.8 (mean)
Diameter of Axle Rods(mm)
3.7
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel
Size of the Nuts across Flats (mm)
5.9
Bolt diameter (mm)
6.0

Comments
Parts are from MERKUR & details are assumed the same. *1 needs verifying.

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


There are currently no manuals, leaflets or photos etc. of Build-O available for downloading. If you can supply any, please get in contact with me.


Built-O-Mobile


Manufacturer / Distributor

Marketed by Parmount Industries, 2175 Theodore, Montreal, Canada.
Not sure if made by: Science Master, 198 Churchhill Boulevard, Greenfield Park, Quebec, Canada.
Or Imported from Merkur, Czechoslovakia


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


A Built-O-Mobile instruction manual.
(Added 15/04/2022)