Stern Pinball, the oldest and largest designer and manufacturer of pinball machines in the world, opens its doors to let us discover the secrets of making a pinball machine! Founded in 1930 and based in Chicago, Stern Pinball continues to create pinball machines, some based on big licenses like Ghostbusters or Star Wars. An extremely complex job that requires thousands of parts and many hours of assembly and testing! A fascinating video created by The A.V. Club.