rick that the coolest slot ive seen! karting started right around my neck of the woods back in the day, and Bug go karts were built down the street in Azusa.
those were better days. my dad said he would have his parents take him down to the sears on a sunday when they where closed and ride his taco mini bike around the parking lot and kids would be racing there go karts around. if you did that today the cops are there in five minutes patting you down like your a criminal. i should know lol.
That sounds like the Eastland Mall, still there off the 10 Freeway east of Los Angeles. The pioneering karters like Art Ingels, Duffy Livingston, Spence Murray and the like organized the first open, free karting get-togethers and races at the Rose Bowl parking lot in Pasadena, think it was 1957.
When the Rose Bowl kicked them out, the circus moved to the Eastland mall, guess the management thought it would bring lots of spectating families that would also do some shopping.
Eventually the novelty wore off and serious karters built and raced at purpose-built tracks.