Inside the space station
The robot will serve as a maid discovered a device help. The robot will comprise two parts, one is a robot arm. When this part of the robot to detect objects floating in space station. Is the box that holds the device by a robot part one will stick to a color bar, three colors: blue, white and yellow tile with respectively. So the robot part two-color sensor is used, and according to one portion of the robot. If white light is yellow light turn right, turn left. In addition, the robot part two also mounted sensor ultra sonic to measure distance not closer to or away from the robot part one too. The rotor, which can be adjusted according to the direction, the robot will go
.External space station
The robot part two liquid-fuel rocket to stick to as an astronaut. Just stick to the color bar, the astronaut will make the robot part two by astronaut go.