We've had one for some time. It is a large piece of plywood, make a brace so it leans back a little and no chance of it getting knocked over. Take large nails and nail them to the board (not sure what the pattern is) across the bottom make your winning sections with colors or numbers, whatever you choose.
For great directions on how to make one, go here: familyfun.go.com/parties/kids-games/game/famfgam_starseeker/
My husband made this for my daughter's birthday party a few months ago. It takes about 4 hours to make, but you'll have it forever.