This is a nice tutorial on building your first PICAXE robot. These aren’t as easy to build as a BEAMbot, but they can do a whole lot more. The site contains links to suppliers and lots of photos of the build process. – Link
I’m currently working full time as the Dexter F. Baker Professor of Practice in Creativity in the Masters of Engineering in Technical Entrepreneurship Program at Lehigh University. I’m also an avid product designer, kit maker, author, father, tinkerer, and member of the MAKE Technical Advisory board.