EXCUSE ME SCRUBS COMING THROUGH
As a seasoned Dungeons and Dragons Dungeon Master (though most of what I do is online) I have amassed quite the collection of dice:
My favorite set come with their own small bag, for emergency play.
I keep them in this box, along with loose dice.
On that note, anyone interested in playing Dungeons & Dragons (new players included) should friend McZealot on Steam. I regularly host D&D games on Friday/Saturday (and Wednesday in the Summer).
This is the (drawn on) map from our Forgotten Realms campaign from last year. I played it with Blockland users for a total of probably 30-40 hours.