Some more details about he modification process can be found here (also mentioned in the link "face turn octa -> master skewb?": http://translate.google.de/translate?hl=de&sl=zh-CN&tl=en&u=http%3A%2F%2Ftw.myblog.yahoo.com%2Fkpgjohn-cubeworkshop%2Farticle%3Fmid%3D926%26prev%3D954%26next%3D900 Weight: 233g Size: edge length 6cm