Just Riddles and More...!










Escher Illusion


O.K. which way is up?







Light Bulb Illusion


Stare at the black light bulb for about 30 seconds.   Then, stare at a white area on the screen or at a white sheet of paper.  You will see a glowing light bulb!







Tri Blocks Illusion


How many triangles do you see? Is it 6 or 7?