Slot machines used to tower over players with cabinets sometimes more than 6...

https://gregorysimpressivenews.iamarrows.com/why-do-modern-casino-cabinets-include-internal-wiring-and-speakers

Slot machines used to tower over players with cabinets sometimes more than 6 feet tall and screens over 40 inches. Today, you can spin the reels on devices as small as your phone screen—around 6 to 7 inches