Multigrain burr Stewart Coffin design STC 275-AS
29 April 2020Edward Hordern IPP Puzzle Exchange – Ottawa, Canada. August 2015. Presented by Jerry Slocum. Designed by Stewart T. Coffin. Made by Mr Puzzle. 283 made. Original…
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