This is a robot I built as a development platform for the Propeller chip. It uses the MSR1 Robot Board from Parallax. http://www.parallax.com/StoreSearchResults/tabid/768/txtSearch/msr1/List/0/SortField/4/ProductID/584/Default.aspx
Right-click 'Download' and select 'Save Link As' if the file opens in a new tab.