Bidder | Amount | Date |
---|---|---|
R****5 39 | USD 15.00 | 03/26/2023 12:11:18 |
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