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Targus has a small and convenient Kaleidoscope mouse that will make you all the rage on your next business class flight as the colored light pulses through seven different shades underneath your palm. The mouse also features a retractable USB cable and an ambidextrous design. Would that I could control its color by a software control panel, like my own Ambient Device, but alas, it just changes colors on its own volition. It's available soon according to Targus' UK site for around $34.

Product Page [Targus via shinyshiny]