'Other' Constructional and Allied Systems Info & Downloads
Bob(3) Construction Sets
Bob(3) was a construction system using rods and plates. It was made in Switzerland, France and the UK. Each country had a slightly different system It was produced from around 1942 to 1952. All the scans and photos below are of the Swiss system.
Manufacturer / Distributor
Fraba, Geneva, Switzerland
From later 1950s: Papyria, Zurich, Switzerland
Info from the Metal Constructional Systems Database for BOB 
1943 to early 1950 (see comment *1)
20.0 (multiples of value shown, including half.)
Bolts: cheese (slotted)
Steel with a Dull plated finish
Alloy Rods in sets. Joints marked BOB. Plates are different to BOB2 which in turn differ from BOB1. Outfits included theme sets for small Vehicles & Aircraft. *1 50l also reported.
The MCS document for this system is shown below. It can also be downloaded to your computer if desired here
NOTE : If the MCS document does not appear in the window below, then refresh the page.
The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided
Below there are manuals/leafets and photos which can be downloaded by clicking on the appropriate image.
© 2010-2021 Timothy Edwards