This is a classy optical illusion puzzle. What more you can find except bricks in the image below?
What do you see in the image below
Which tank will fill first?
Spot what is wrong here in below Picture?
Move four matchsticks to the below square to form three squares?
Can you place six X (crosses) in below board without making three in a row in any way ?
Count the number of triangles in the given picture.
Find the hidden tiger in the given optical illusion ?
Count the number of triangles in the below picture?
In the image given, you can find several triangles. Can you count them all?
Can you count the number of triangles in the picture below?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.