Sold out 2001 Limited Edition Set of 24. Original Price: AU$95.00 The puzzle is to assemble the 11 piece burr. Leonid Mochalov, a Russian mathematics…
Pyramid wood puzzle
Standard Range version made from December 1995 to January 2010. 1497 made. All sold.
Original Price: AU$6.95
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