http://www.eyetricks.com/scary_optical_illusion.htm Click the Agree thing then try Find out what it is. if u get it right HeadOvrHeelys will give you a prize. Only if you get it less then a minute!
Count the black dots in this photo:

Are the lines below straight or are they curved?
Is the blue side in the front or back of the cube?
It's a spiral, right?