I assembled my own from a couple of fuseboxes, but here's a handy display case with the fuse colors for reference. This is an Olds, but I assume it'd be the same.
https://www.ebay.com/itm/Vintage-rare-original-GM-Oldsmobile-emergency-fuse-kit-glass-colored-nos-1968-68/392038911864?fits=Year%3A1969%7CMake%3APontiac&hash=item5b47570f78:g:V7sAAOSwDPNa8fjI