Juneero Construction Sets
The Juneero outfits allowed owners to build models or other objects out of metal. The sets contained wheels and gears, along with sheet metal and rods. Special tools to cut metal to the required shape and also dies to cut threads on rods were provided. it was made in England from the late 1930s till around 1950
Info from the Metal Constructional Systems Database for JUNEERO 
1935 to 1956 (see comment *1)
Diametrical Pitch of Gears
No. of Parts in System
39 (see comment *2)
Hole Pitch (Spacing) (mm)
10 (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
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Steel finish
Size of the Nuts across Flats (mm)
4.8(see comment *4)
Bolt diameter (mm)Comments
Pat 441157/34. Strips 9.6mm wide. Pulleys & Tyres marked JUNEERO. *1
On sale in Holland in 1962. *2
Plus Tools. *3
& 6.5 in Pulleys. *4
Most Nuts probably 1/4".
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 manuals/instructions which can be downloaded by clicking on the appropriate image.
Juneero Design Sheet No.54 - Kettle Stand and other items.(Scans from Urs Flammer)
Juneero Design Sheet No.58 - Windmill and other items.
Juneero Design Sheet No.64 - Model Railway Flyover.
Juneero Design Sheet No.67 - Railway Tiptruck and other items.
Juneero Design Sheet No.95 - Puppets.(Scans from Urs Flammer)
Juneero Design Sheet No.100 - Soap Basket and other items.(Scans from Urs Flammer)
Juneero Design Sheet No.103 - Drying Rack.(Scans from Urs Flammer)
Juneero Design Sheet No.107 - Bandage Winder and other items.
Juneero Design Sheet No.112 - Inspection Lamp.
Juneero Design Sheet No.115 - Model Windmill.
Juneero Design Sheet No.116 - Model Jeep.
Juneero Design Sheet No.125 - Engraving Tool.(Scans from Urs Flammer)
Juneero Design Sheet No.131 - Bulldozer.(Scans from Urs Flammer)
Juneero Design Sheet No.132 - Oil Derrick.(Scans from Urs Flammer)
Juneero Design Sheet No.S1 - Model Dockside Crane.
Juneero Design Sheet No.MR3 - Railway Signals.
Juneero Design Sheet No.MR5 - Railway Signal Box.
A list of available Juneero design sheets.(Scans from Urs Flammer)
A later list of available Juneero design sheets.
An informatation sheet about Juneero and the Xacto tool, together with details about accessories and spares.
A leaflet about using the Juneero multi-purpose tool.(Scans from Urs Flammer)
A leaflet about Juneero.
A leaflet about Juneero.
A Juneero postcard for inquiries.
The Canadian patent for Juneero.(Scans from Urs Flammer)
The UK patent for Juneero.(Scans from Urs Flammer)
Various photos of the Juneero construction system.(Photos from Urs Flammer)