Second on Arduino, it's just so much fun, you get inmediate results and you learn about both hardware and software. It should be doable for a 10 y/o: http://syl

Second on Arduino, it's just so much fun, you get inmediate results and you learn about both hardware and software. It should be doable for a 10 y/o: http://sylviashow.com/episodes/s1/e3/full/arduino http://sylviashow.com/episodes/s1/e3/full/arduino