CHRISTMAS TOPIC - HOW DO A SIMPLE ROBOT

In the first evaluación we study the materials (their properties,uses...) and one in specila are PLASTIC.Everybody know that the plastic is present in everything ;Many people love the robots and they are useful because there are easier that only walk until other that cut paper,talk,coocker...
We can do robots in home and i would like that you see this video.In this you can learn how do a simple robot but if you aficionated you can do something especial.
Materials:
-Bottle of wáter
-2 motors
-4 taps
-2 sticks
-Cables
-Super glue