IIRC they gave these out at the first Java One. You could program it with what kind of coffee you liked, and hold it up to the coffee machines there. At the time I worked at a company that also had a JavaStation (basically a SPARC that only ran Java).

We all thought the JVM was about to revolutionize client software development and break Microsoft (once everything ran on the JVM, MS wouldn't have an app ecosystem that tied us to them). Meanwhile, the browser was staring us right in the face, and it was server-side where the JVM blew up.