Big-Joy

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Big-Joy Construction Sets

Big-Joy was a Trix-like construction system. It was made in Australia in the early 1930s

Manufacturer / Distributor

A.M.K. Manufacturing Co., Melbourne, Australia

Info from the Metal Constructional Systems Database for BIG-JOY (Ref:B-J)

Maker

System Type
as TRIX (inc MCX)

Country
Australia

Dates
circa 1930 to circa 1939

Material
Steel

Thread

Boss Type
no boss

Boss Thread
----

Diametrical Pitch of Gears
--

No. of Parts in System
12

Hole Pitch (Spacing) (mm)
7.8

Diameter of holes in Strips(mm)
3.6

Diameter of the Bore in Bosses(mm)
---

Diameter of Axle Rods(mm)
3.5 (Screwed Rods or Bolts are used as axles.) (probably)

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: tapered cheese (slotted)

Material/Finish of Nuts and Bolts

Size of the Nuts across Flats (mm)
`

Bolt diameter (mm)

Comments
Generally TRIX-like but nickel or chrome parts, & poor quality. Pulley Disc has no holes & a Rubber Ring fits a made-up pulley. Card Windmill Blade.

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