Can’t sleep without the sound of an engine running? In desperate need of couple of more USB slots? Then you should take a look at the SolidAlliance USB Engine Hub. (Update: Link removed because the page is gone.)
This 2.0 USB hub is designed like the engine of a motorcycle. When plugged in into a computer it will give you the pleasure of engine noise and jumping cylinders.
Here’s a video of the SolidAlliance USB Engine Hub in action: