This is so cool. Could see it as a magic tome in an RPG adventure.
https://boingboing.net/2019/01/09/dos-a-dos-x6.html?fbclid=IwAR2Px1BGt-ICOe56BL-ilbvYZlqO5IVkQqh093LMTFFAoMA-RjBBEwpOZho
Kind of like a Rubik's cube but less annoying. That must me worth some serious money.
An early Kindle? :coolsmiley: