Insoma diagonal burr
13 February 2020Craftsman Range puzzle made in June 2003. 120 made. All sold. Original Price: AU$120.00 (AU$109.09 ex Australian Taxes) We’ve now given the original version of…
The object is to make the tetrahedron from just two pieces.
Tetrahedron: A four sided solid; in this case a triangular based pyramid.
E.T.Johnson patented a wooden version of this puzzle in 1940 and FUN Inc. Chicago produced a widely known plastic version of it in 1956. It’s in every Sciencecentre you’ve ever been to!! Is it too simple to have in your puzzle collection?
Size 80mm x 80mm x 66mm (each piece 80mm x 40mm x 40mm) Packaged DISASSEMBLED for your puzzling enjoyment