Are you ready for the challenge of the day? It consists in finding 288 among 238 in less than 20 seconds. This is no easy task, but it is fun and entertaining and it will definitely put your visual skills to the test. The image below gives you the elements of this challenge, but be … Continue reading Observation brain teaser: Can you spot 288 among 238 in less than 20 seconds? Test your visual acuity now!