'Other' Construction and Allied Systems Info & Downloads
Knirps(2) Construction Sets
Knirps(2) was a very basic construction system which included a Catch from an ammunition box. It was produced in Germany soon after World War Two.
Info from the Metal Constructional Systems Database for KNIRPS 
Meccano principle but sig. differences
after World War Two (see comment *1)
(Screwed Rods or Bolts are used as axles.)
Bolts: cheese (slotted)
Models are simple Handcart & 3- & 4--Wheel Coasters. Parts are black and include a catch from an ammunition box. *1 Said to be very soon after WW2.
Below there are photos which can be downloaded by clicking on the appropriate image.
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