Back around the summer of 1982, Gamescience came out with an ad for these dice --
|Mine has lasted more than 32 years...|
I told my parents that I wanted one and they willingly went out looking for it. I seem to recall an ad (somewhere) that offered a free d20 with a coupon.
My parents ran all over town. I'm sure they had other errands to run as well, but they did visit multiple hobby shops.
They came home with my prized d20 (which I still use often) and a handful of minis --
That was a happy day!