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Kwik Builder Construction Sets

Kwik Builder was a simple construction set with Meccano like parts. It was made in Belgium in the 1950s.

Manufacturer / Distributor

May be same as Mercator

Info from the Metal Constructional Systems Database for KWIK BUILDER

System Type
Meccano principle but sig. differences
circa 1950 (see comment *1)
5/32W (see comment *2)
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
26 (approximately)
Hole Pitch (Spacing) (mm)
13.0 (see comment *3)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel with a Brass finish
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Parts (as MECANIC [8]) include Plates (2x2 - 3x9h) with square corners. *148-51 rep'd. *2Some sets had M4 with Bolt Head Diameter 6.9. *312.7 also reported - an error or were there 2 phases? compare with MERCATOR.

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

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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.

The Kwik Builder manual
(Added 18/10/2018)

Varipous photos of the Kwik Builder construction system
(Added 15/11/2018)