Build the Robotic Arm from over 350 VEX Robotics pieces! Have you ever wondered how industrial robots work? You know, the kind of robots that work on assembly lines building other complex pieces of machinery? Now you can unlock the mystery behind these sophisticated robots by building one of your own! Exclusively from HEXBUG comes the VEX Robotics Robotic Arm - a completely functional construction kit inspired by real industrial robot arms. The Robotic Arm can raise objects up to 14 inches by twisting the "left" hand knob forward and backward. It also extends out to 10 inches by twisting the "right" hand knob forward and backward. by turning the dial on the rear of the Arm will allow you to pick up many common household objects using the claw! The whole crane can rotate 360 degrees, allowing this miniature robot to perform the complex actions of its real life counterpart.