
-2
Optical illusion of faces of couple.


+7
Illusionary picture of pillars of the building and a knight.


+8
Optical illusion of a building.


+4
Illusionary picture of impossible blocks formed over the four corners of the chess.


-1
Illusionary picture of a man going upstairs or downstairs.


+6
Optical illusion of chess pieces.


+10
Illusionary picture of two wooden tangles.


+2
3D picture of a square which look like impossible to make.


+5
Are the balls i.e. red and blue shown in the picture are at same level or not?


+4
Optical illusion of face reflection on a glass .
