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Metal Bricks Construction Sets

Metal Bricks Construction Sets have parts to similar to Eitech Construction and are classified as a Polylong(1a) type sets. The instructions were on the rear of the sets. This set of four small single model sets were sold under the brand name of Eddy Toys. They were made in China.

Manufacturer / Distributor

Importers: A.I.&E. Adriaan Mulderweg, Eindhoven.
Actually made in China

Info from the Metal Constructional Systems Database for POLYLONG [1a] (Ref:PLY1a)

System Type
2004 to in production in 2022 and continuing
Boss Type
push fit
Boss Thread
Diametrical Pitch of Gears
25 (see comment *1)
No. of Parts in System
50 (approximately)
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
4.2 (see comment *2)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (crosshead)
Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
6.5(see comment *3)

Various Sets (see separate list) from one or more unknown Chinese makers. Most parts as Eitech/Construction but some others. *1 Mod.1 & finer for Motor/Gear Unit.. *2 Square holes in some RCEE sets. *3 6.1 & 7.4 also reported.

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

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

Photos of a Metal Bricks Motorbike Set
(Added 03/07/20)

Photos of a Metal Bricks Bulldozer Set
(Added 03/07/20)

Photos of a Metal Bricks Helicopter Set
(Added 03/07/20)

Photos of a Metal Bricks Plane Set
(Added 03/07/20)