Ball Maze What Are The Desktop Novelties Called Like The Glass Ball & Copper Maze Things In The Movie 'Fracture'?

What are the desktop novelties called like the glass ball & copper maze things in the movie 'Fracture'? - ball maze

These "things" are large, they are not. Objects are essentially kinetic. Doing a little research on this movie, I heard that Mark Bishop and I designed found a website devoted to his work. Enjoy!