Mathmos Wind Light - Miniature LED wind turbine. No Electricity, No batteries, Just Wind.

This tiny 20cm tall light-up wind turbine has been used by leading design team Jason Bruges Studio in a number of high profile installations. A simple puff of air will send the 6cm rotor blade spinning and get the LED lights glowing. So place in your garden or patio to create a great miniature light display. You can even place outside your window to create a bit light and use as a wind indicator.

The Wind Light requires no batteries and relies upon the inexhaustible supply of wind the British Isles generates (the climate, not the inhabitants).