Tony's fully functional correctly proportioned 2x2x7 was started on 11th Jan 2008 and finished at 1.10am 19th Jan 2008 after 60 hours work. It is based on a 4x4x4 Master Cube mechanism. Dimensions are 6.5 x 6.5 x 23cm or 2.5 x 2.5 x 9 inches.