See these links for a demo and sample code of a simple wizard:
http://demos.telerik.com/silverlight/wizardexample/
http://www.telerik.com/community/forums/silverlight/general-discussions/how-to-create-wizard-screens-in-silver-light.aspx
http://www.telerik.com/ClientsFiles/156323_wizardexample.zip
http://www.telerik.com/community/forums/silverlight/general-discussions/how-to-create-wizard-screens.aspx
http://www.telerik.com/ClientsFiles/156324_wizardexample.zip