Although it looks highly controversial, yes, people out there are trying to create a tiny LINUX box, and secondly, it's cheap as fuck! (used to be $9, changed to $20 since the $9 bundle was used up), it's currently on kickstarter, BUT, said to come out next year. Cheers!
https://www.kickstarter.com/projects/1598272670/chip-the-worlds-first-9-...