Otona no Kagaku (science for adults) magazine vol.18
with Mini Wind Power Generator System Kit

featuring ecology / clean energy / earth friendly power / global warming issue.
as light breeze twirl the pinwheel, neodimium magnet inside the coil turns and generates electricity, and cute LED light at the back spots.

experience the clean energy with this small wind power generator kit.
you can also change the LED light of other color you like.

and the wind power generator would look like this

Otona no Kagaku official website: http://otonanokagaku.net/