Slot machines used to be these huge cabinets, sometimes over 40 inches tall,...

https://wiki-club.win/index.php/30_Inches_Per_Slot_Machine_Sounds_Small_%E2%80%93_Is_That_Realistic%3F

Slot machines used to be these huge cabinets, sometimes over 40 inches tall, taking up a big chunk of casino floor space. Now, you can play similar games on screens as small as 6 inches wide—right on your phone