It used to be a thing to have giant fuzzy dice hanging from your car's rear-view mirror, but 6-faced dice never had a big meaning for me and I haven't had much opportunity to get into a group that uses higher (or lower) faced die.
Instead, I have a game that I've been following for a long time, and that's Minecraft. It only took a little bit of basic geometry to figure out the shape necessary to create the die (and my classmates all said they'd never use those lessons in real life; ha!), a few hours of stitching, some stuffing, and I had my die.
Unfortunately, hanging it from the mirror does obstruct the view out the front window some, so instead, it sits on the far side of the dashboard, holding my poorly-adhesived parking sticker in place.