If you look on any of the club sites you can find a section on showing which will eplain everything involved. It is very easy and I am sure you would enjoy a visit. There is also a list of shows so you can locate your nearest one.
http://www.northernhamsterclub.com/
http://www.midlandhamsterclub.co.uk/
http://www.somershire.freeserve.co.uk/s ... x.html.htm
http://www.soehamsterclub.com/
http://www.hamsters-uk.org/