Four in the Vice frame type burr
19 August 2012Edward Hordern IPP32 Puzzle Exchange – Washington DC, USA. August 2012. 200 made. Presented by Frans de Vreugd. Made by Mr Puzzle Australia. Designed by…

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