Makeblock mbot ranger arduino compatible stem 3 in 1 robot kit makeblock 90092 p the mbot ranger 3 in 1 from makeblock is an intermediate robotics kit for stem or personal use it is based around the me auriga programmable module with arduino mega 2560 compatibility which brings with it excellent online educational and tutorial resources the me auriga has a wide range of programming options from novice to expert using free open source tools including mblock a graphical scratch like program