If you wish to look incredible - wear the "impossibility in its purest form".
The Penrose triangle, also known as the Penrose tribar, is an impossible object. It was first created by the Swedish artist Oscar Reutersvärd in 1934. The mathematician Roger Penrose independently devised and popularised it in the 1950s.
It is featured prominently in the works of artist M. C. Escher, whose earlier depictions of impossible objects partly inspired it.
Sir Roger Penrose describes the object as "impossibility in its purest form".
Now you can surprise him by wearing your own Impossible Pendant.
Order yours today!
Rings and chain are not included.