Here is a link to the building manual: http://manuals.hobbico.com/gpm/gpm-s...ter-manual.pdf

Trust me you'll want if you want to duplicate the wing!

Here is a link to the parts list: http://www.greatplanes.com/parts/gpma0210pl.html

You could try calling Great Planes but the odds aren't good that they have spares but it doesn't cost anything to ask.