Observe Mode allows you to see and observe the robot live; however, you cannot control it since all the controlling tools will be disabled for you unless you log-in.
Sign Up
If you do not have an account yet, you can easily create one, after which you will be able to log in and access the robotic arm lab.
Sign in
If you have an account you can Sign in into the system and while observing the robot you can also control it from the control room or by uploading your own code.