Swing Clock

The Swing Clock is a pendulum clock. It doesn't have a pendulum on it, the clock actually does the swinging itself while the hands stay where they are. You can buy one here:

http://http//www.thinkgeek.com/homeoffice/lights/da8e/?cpg=cj&ref=&CJURL=http%3A%2F%2Fwww.thinkgeek.com%2Fhomeoffice%2Flights%2Fda8e%2F