Early 20th century ad for a cockroach racing kit (complete with roaches) sold by the International Mutoscope Reel Company, makers of arcade machines and dime museums. "Holds the crowd… Gets the money." (via Weird Universe)
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.