[freehunter]

But the underlying assumptions of creationism hold true as well. If I have a RepRap that's making imperfect copies of itself and evolving, who created the RepRap in the first place? It certainly didn't spawn from nothing.

Sure it's a devil's advocate argument, but that's the issue. Saying something that sounds reasonable to an uneducated person will leave that person believing it's true, because it certainly sounds plausible. If you don't also teach the scientific method and critical thinking, you're not teaching.