'Other' Constructional and Allied Systems Info & Downloads

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Metal Tech Construction Sets

Metal Tech Construction Sets have many parts to similar to Eitech Construction and are classified as a Polylong(1) type sets. They are manufactured in China for RMS International (An international toy company which originated in the UK in the mid 1980s). Some of their sets also feature the Grafix logo on them - one of the many trade names of RMS International.

RMS International also provide own brand products to many well known High Street stores. Some of which sell Metal Tech construction sets under their own in-house brand names. E.g. The Works (Science Club), B&M Stores (Mechanix(4)), both of which can be found elsewhere on this website.

In general all the coloured parts are made of plastic. The 4 in 1 and 2 in 1 sets can make 4 and 2 models simultaneously.


Manufacturer / Distributor

Made in China for the RMS International toy distributor


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

Maker
 
System Type
as CONSTRUCTION
Country
China
Dates
2003 to in production in 2018 and continuing
Material
Steel
Thread
M4
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)
10.0
Diameter of holes in Strips(mm)
4.2 (see comment *2)
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
4.0
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)
6.9
Bolt diameter (mm)
6.5(see comment *3)

Comments
Various Sets (see separate list) from Polylong & other makers. Most parts as CONSTRUCTION [1] but some others. *1 Mod.1 & finer for Motor/Gear Unit.. *2 Square holes in some RCEE sets, see TRONICO [a]. *3 6.1 & 7.4 also reported.

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


Photos of the Metal Tech 2 in 1 motorised bike and car set. The sets contains two electric motors
(Added 26/01/21)

Photos of the Metal Tech 2 in 1 Helicopter and Go Kart set
(Added 26/01/21)

Photos of the Metal Tech 2 in 1 Motorcycles set
(Added 26/01/21)

Photos of the Metal Tech 4 in 1 Aircraft set
(Added 26/01/21)

Photos of the Metal Tech 4 in 1 Car Rally set
(Added 26/01/21)

Photos of the Metal Tech 4 in 1 Vehicle Construction set
(Added 26/01/21)

Photos of the Metal Tech Dino T-Rex set
(Added 26/01/21)

Photos of the Metal Tech motorised Excavator set
(Added 26/01/21)

Photos of the Metal Tech Space Station set
(Added 26/01/21)

Photos of four Metal Tech mini sets - Helicopter, Digger, Racing Car and Bulldozer
(Added 26/01/21)