love these, has done ray charles plus others. cant remember the exact prices but he uses about 8oo cubes.
more described at the blog i found it. i know i am re-blogging old news which i try not to intentionally but it ws new to me and i like it. sure it will be new to some people.
more description at the blog at the bottom.
first saw in the metro, uk yorkshire free paper on the public transport.
found at : http://torontoist.com/2008/03/rubiks_cube.php