The puzzle, created by UK-based Rainbow Riches Casino, looks deceptively simple, but it will take more focus than you think to count all the triangles in the picture.

An individual reacted to this brain teaser featuring triangles and wrote, “Could count up to 36. Not sure about the answer though.” ...

READERS have been challenged to count all the triangles that are hidden in this mind-bending brain teaser. Eyes have been darting as players rush to count all the shapes they can see within six min… ...