ericgundersen:
Aid+Trade: cool temp shelter
ericgundersen:
Aid+Trade: water purifier, $3k, lasts 10 years, 5000 liters a day gravity powered micro fliters that can be cleaned by shaking. Chemical free.
ericgundersen:
Aid+Trade: Bike can pack 440lb.
ericgundersen:
Aid+Trade: solar box