wyss.harvard.edu/viewpage - AERobot
   www.swarm-organ.eu/aerobot-affordable-education-robot - 1506-09
   www.zive.cz/robot-za-230-korun-ktery-uci-deti-programovat - 1411-22
   sites.google.com/site/affordableeducationrobot/home/hardware - old
   sites.google.com/site/aerobotcurriculum/home - old
   affordableeducationrobot.github.io/v1.0 - new
   www.seeedstudio.com/depot/AERobot-p-2531.html - Buy AERobot