GALLERY: WIND-UP ECO BAMBOO PHONE: Charged by whirling!
IMAGE: bamboo mobile phone, bamboo phone, eco phone, green phone, kinetic energy, kinetic phone, wind-up phone, wind up phone, Gert-Jan van Breugel, 2008 Greener Gadgets, Greener Gadgets Design Competition, Greener Gadgets, Core77, sustainable mobile phone, eco cellphone, handcrank cellphone, hand crank cell phone
