I stuff a bunch of crumpled up pages from the Yellow Pages behind his cage, and he digs them out. Fun for everyone. I’d like to try the old small-box-inside-big-box trick, but with the small box stuffed with crumpled up yellow pages, see how he likes that. I even saw him binky behind his cage yesterday — it’s a pretty narrow space, so it was a binky limited to the vertical axis, but he managed it somehow! Oh, buns.