The first three units showed as available inventory the next day: Friday the 25th.
The three listings that were associated with it were not correct in some way that is, to be blunt, fairly non-obvious. But, after much tweaking of settings and letting the changes trickle through the system, it is now possible to buy the game. Hooray!
Ironically, one cannot find the listing if you search for it. If you type in "mancala," we don't appear on any of the seven search result pages. But Connect Four does. We rank below Connect Four for a simple "mancala" search. Wow.
I suspect that might improve soon. Hmmm...to learn the mystic art of SEO marketing.
You can get to the listings directly, of course. They are: