Developer of the Raspberry Pi, Eben Upton explains that his main goal was to teach basic programming skills to kids as young as 8 years old! Read a little more about Raspberry Pi: http://www.businessweek.com/articles/2014-08-18/kids-are-learning-to-code-with-a-slice-of-raspberry-pi.
Want to create an MP3 player? A bluetooth robot? Check out “Raspberry Pi Projects for the Evil Genius,” by Donald Norris and you can do that and more: http://mhprofessional.com/product.php?isbn=0071821589.