The two sided "colored" robot was made specially, and here is the story.




Once, two scientists fought about who was the best making robots.
One scientist made a red robot, the other one, made a blue one.
Both made the robots so they could learn by their own, and both robots were extremely strong.
Months and months passed, and finally they were done.
They made the robots battle, but theese two robots had other plans, and instead the robots
fought the scientists, the scientists ran, and got help from their other robots, but the blue and
the red robot were too strong for all the robots.
The two scientists got at last away. But the blue and the red robot, became friends.
And then the two robots decided to go destroy the city that was near.
When they destroyed a building, the building fell up on them, crushing them together.
The scientist did make a rebuild mechanism, and the two robots rebuilded themselves together,
and then they became the two sided robot. 
And the colors on the robots face, is unknown, but it is said that some buckets of paint fell and colored them.