4:42 Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler TED-Ed 16.5M views - 10 years ago
3:39 What Do Puzzles do to Your Brain? A Neurology Expert Explains Brut America 1M views - 6 years ago
3:51 Move only 3 stick to get the coin inside | Tricky Matchstick Puzzles with Answer MindYourOpinion 3.5M views - 3 years ago
8:07 Rebus Puzzle Challenge: Test Your Brainpower with This Quiz! #quiz #puzzle #challenge #riddles Quiz Fun Fest 113.6K views - 1 year ago