Purchase details- http://tinyurl.com/giant333 Watch me solve one here - https://www.youtube.com/watch?v=fQ1pgKls6iQ My original unboxing with demo and dialogue- https://www.youtube.com/watch?v=_ne_beNEJb8 These are 18cm factory made Rubik's Cubes. Quality is very good. My website- http://tonyfisherpuzzles.net