Puzzles and Illusions

Chalice or Faces?    Mother and daughter    Mother and daughter    Liar Face    Saxophone or Woman       Cosmic Wheels    Perfect Circles Impossible Angles Impossible Prongs How many planks? Impossible Shelf What is area of inner square?    What is this? Impossible Triangle   Duck or Rabbit?    Quilts    Which way is the bus going?    What number do you see?   

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