'Other' Construction and Allied Systems Downloads
Construction - Construction Sets
This range of metal construction sets were made by/for the former East German company now known as Eitech prior to the unification of Germany. It is a metric system with 10mm hole spacings and 4mm thread. Set boxes - but not the manuals - were frequently marketed under the name 'Constructo'.
Below there are manuals/instructions which can be downloaded by clicking on the appropriate image.