Videos that provide viewers with brain teasers/mental puzzles. These may consist of problems dealing with the arrangement of matchsticks, coins, and other items. May include pencil drawing games, optical illusions, hidden images and "Find the Twin" problems.
Questions answered by this video:
Which two images of koalas are exactly alike in this game of find the twins?
Currently 2.0/5 Stars.
This is another difficult mental exercise to focus on details and determine which images are identical.