Skeptoid Flashmob! invites SaiCon 23 attendees in Las Vegas to a coordinated event this October by purchasing four specific t-shirts—Supernova Lemon Gold, Cherry Cotton Candy Inferno, Blazing Amethyst Purple, and Sapphire Tsunami Azure Blue—for $39 total. Orders must be placed by October 11th via skeptoid.com/store to guarantee arrival for the conference days. This initiative fosters community engagement through a unique, discounted merchandise campaign that transforms individual purchases into a collective visual statement at the convention. [Automatically generated summary]