The first batch of computers built for the One Laptop Per Child project could reach users by July this year.
The scheme is hoping to put low-cost computers into the hands of people in developing countries.
Ultimately the project's backers hope the machines could sell for as little as $100 (Â£55).
The first countries to sign up to buying the machine include Brazil, Argentina, Uruguay, Nigeria, Libya, Pakistan and Thailand.
The so-called XO machine is being pioneered by Nicholas Negroponte, who launched the project at the Massachusetts Institute of Technology's Media Lab in 2004.
Test machines are expected to reach children in February as the project builds towards a more formal launch.
View: BBC News