Slot machines started as giant cabinet beasts, sometimes towering over 6 feet...

https://www.yankee-bookmarkings.win/slot-machines-have-come-a-long-way-from-bulky-40-inch-cabinets-that-dominated

Slot machines started as giant cabinet beasts, sometimes towering over 6 feet tall. Now, those same games fit in the palm of your hand on screens just 6 to 7 inches wide