Bringing the humble fan into the modern age

Nissin Denki has a novel take on the Japanese fans that are the traditional accessory when you're wandering around on humid summer evenings in a yukata, watching firework displays and the like. Wave these fans around and they produce an electric current that lights up the LEDs on the surface (see the kanji character on the hillside in the design to the right, for example). Available via the company's website (Japanese only) for Y2310 for one or Y4200 a pair.

[Update: In response to a comment asking how the electricity is generated (it's been a long time since science class, so we were hoping no-one'd ask)--According to the company's website the fan consists of two thin, flexible ceramic sheets layered together that generate electricity each time they're bent (called a "bimorph", apparently), which powers the LEDs.]

[Via Nikkei BP (Japanese)]