'Other' Constructional and Allied Systems Info & Downloads

Science Club Construction Set

The Build It Construction Sets have parts to similar to Eitech Construction and are classified as a Polylong(1) type sets. Not sure where these sets have come from, although they were almost certainly made in China. They were sold in 'The Works' stores in 2020.


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 a Science Club Motorised 4x4 Offroader set
(Added 06/11/20)

Photos of a Science Club Motorised Excavator set
(Added 06/11/20)