He was able to use the robotic arm to pick up blocks, turn them, and move them to new locations. He was even able to open a cabinet, retrieve a cup, and hold it under a water dispenser.

Robo Arm. Clip | 2m 17s Video has Closed Captions | CC. Design and build a robotic arm that can lift a cup off a table. Aired 08/12/2013 | Rating TV-Y ...