BuildAR, which provides the basic functionality required to construct augmented reality scenes

http://www.buildar.co.nz/buildar-free-version/

In 2008, HIT Lab NZ released the initial version of BuildAR, which provides the basic functionality required to construct augmented reality scenes. You can load a single 3D model onto each marker, and arrange the models using the graphical editing tools or the simple user interface. This version of BuildAR has continues to be free for non-commercial use

 

IEEE Spark

http://spark.ieee.org/

 

IEEE Spark is an online publication intended to inspire students ages 14-18 to learn more about engineering, technology, and computing, and raise excitement about careers in these disciplines. IEEE Spark features articles on technological innovation, university preparation tips, professional career profiles, at-home activities, comics, and more! IEEE Spark is brought to you by IEEE with generous funding from the IEEE New Initiatives Committee