Mini Alpha: A robot arm made with LEGO Mindstorms EV3 - YouTube
LEGO MOC Mini Gamma: A 2 DOF robot arm made with NXT by Will_Heredia | Rebrickable - Build with LEGO
Spanish Student Builds Robotic Arm Out of Legos
NXT Robot Arm
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
Mindstorms H25 robot arm build with 31313 parts (consumer set) – blog.digidigital.de