Slot machines used to fill casino floors in bulky cabinets over 40 inches tall....

https://www.bookmarkidea.win/slot-machines-have-come-a-long-way-from-the-bulky-cabinets-that-once-stood-over

Slot machines used to fill casino floors in bulky cabinets over 40 inches tall. Now they easily fit in the palm of your hand on screens around 6 inches wide. This shift shows how technology has shrunken big machines into portable fun you can play anywhere