Lego Mindstorms EV3 31313 - GRIPP3R Building Instructions - YouTube
LEGO MOC Large motor Gripper by The Alvocado | Rebrickable - Build with LEGO
Amazon.com: 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 : Toys & Games