This morning our orange cat (we also have a grey one), Simon, came into the bathroom while I was brushing my teeth. He looked around for a few seconds, mewed, and jumped up to sample some of the delicious spider plant we keep in the bathroom just for his amusement (she grins sarcastically). After eating up a tender young spider plant sprout (?), Simon hopped down to play with his brother, Tobey, under the door (one cat sits inside the bathroom, the other on the outside of the bathroom - great fun ensues). While playing, he came upon a small stone. Suddenly, the stone was WAY more fun than Tobey. So fun, in fact, that Simon tried to eat it quite a few times (or at least treated it like chewing gum).
Mmm...spider plant and rock. The breakfast of champions for cows, and apparently now cats.