Slot machines have come a long way from the 50-foot-long mechanical setups...

https://ellassmartperspectives.urbanvellum.com/posts/the-simplest-timeline-of-slot-machine-evolution-from-1895-liberty-bell-to-smartphone-slots

Slot machines have come a long way from the 50-foot-long mechanical setups found in old casinos. Today, you can enjoy the same games on a phone screen that’s just 6 inches across