Curiosities and Investigations
A Short Course in Recollection
2009
The book only "functions" in one position, with the pages butted together tightly so that the balls can travel between them. The blue box I made to house the book has recesses to help align the pages, and to contain the balls once they've rolled out of the book. There are three distinct courses, regulated by two toggle switches, but they all end up on the left side.