 The Bazooko Circus Casino was modeled closely after the Circus  Circus Casino in Las Vegas, which was mentioned in the original  book. The real casino refused to have anything to do with the film,  and even forbade the use of its name. The casino sign shown in the  film replaces Circus Circus neon clowns pinwheel with a mallet,  and the interior shots were partially filmed in the (now closed)  Boardwalk Casino in Las Vegas. The carousel