The rugged, energy efficient laptops have been designed to be used in remote and environmentally challenging areas.
They are currently being tested around the world, including at the LEA primary school, Galadima, on the outskirts of Abuja, Nigeria.
Pictures and audio by Jonathan Fildes. Slideshow production by Tom Housden and Dominic Bailey.
Read more about the $100 laptop project:
Politics 'stifling $100 laptop'
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