Cube for blinds

It turns out that the Rubik's cube can solve even blind people!
Of course cube for the blind is somewhat different from the traditional. Blind people can't see the faces of the cube, but unable to touch them.
In lieu of flowers, used a relief surface.

* I'm sorry for my English. It's not my native language. If you want to help me with the correct construction of sentences and a selection of words, you can send me your version of the English text to my E-mail [email protected]