A visual puzzle challenges readers to find hidden coins within an image in under nine seconds, testing observation skills. This activity offers cognitive benefits, boosting creativity and problem-solving abilities. Whether successful or not, engaging with optical illusions provides a fun mental workout and stress relief. A visual puzzle challenges readers to find hidden coins within an image in under nine seconds, testing observation skills. This activity offers cognitive benefits, boosting creativity and problem-solving abilities. Whether successful or not, engaging with optical illusions provides a fun mental workout and stress relief. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle