Miguel Alonso built a QWERTY Rubik's Cube, which looks like a lot of fun:
To do, you need an old keyboard, glue and a normal rubik's cube. The order is the same than a QWERTY keyboard but in the spanish language:
QWE RTY UIO F1F2F3 789 ImprPant BloqDespl Pausa
ASD FGH JKL F4F5F6 456 Insert Inicio RePag
ZXC VBN MPÑ F7F8F9 123 Supr Fin AvPag
(via Neatorama)