This rubik's cube has 26 arcane sigils on it, making it capable of casting spells as an arcane focus with certain algorithms. it also doubles as a spellbook. To prepare the days spells, press and hold the white center for 5 seconds, and then do the spells you wish to use that day.  It is also unbreakable and can be summoned back into the owners hand after they are attuned.

Notes: 1 Long rest with a wizard of dexterity 15 or higher