Rubiks cube sub

27dnast
27dnast Posts: 255
edited July 2011 in DIY, Mods & Tweaks
Been considering building my own sub and I came across this DIY project. Very cool:

http://projectcube2007.blogspot.com/


On a scale of 1-10 with 10 being "Easy"... how hard are subs to build? (obviously, not talking about the rubiks sub... say, just a fairly plain box...).