Challenge your observation skills by finding three subtle differences between two nearly identical images of an elderly man writing on paper. This timed puzzle enhances your focus and attention to detail in just 27 seconds. It’s a fun and engaging exercise for your brain. Challenge your observation skills by finding three subtle differences between two nearly identical images of an elderly man writing on paper. This timed puzzle enhances your focus and attention to detail in just 27 seconds. It’s a fun and engaging exercise for your brain. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle