An optical illusion challenges readers to find a hidden elf within seven seconds. The puzzle tests observation skills and provides a mental workout. A hint suggests focusing on areas with different colors or patterns. The solution is revealed, and readers are encouraged to share the challenge. An optical illusion challenges readers to find a hidden elf within seven seconds. The puzzle tests observation skills and provides a mental workout. A hint suggests focusing on areas with different colors or patterns. The solution is revealed, and readers are encouraged to share the challenge. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle