LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements
The Ev3 R3PTAR model - Smallrobots.it
LEGO MOC Littlesnake - a friend of R3ptar by mic8per | Rebrickable - Build with LEGO
Manual actuators homing for Lego Mindstorms Ev3 - Smallrobots.it