@jestpier@CGTKyle Bishop is my favorite. There's a nice collection at the Nat'l Museum in Edinburgh. I used to look at them up close about every week. So cool.
Our paper, The Game of Blocking Pebbles, is up on the arXiv. Pebbling on graphs as a two-player game. Let the fun flow through you!
https://t.co/Hydtwxue53