A small hidden snail is in this optical illusion. Your challenge is to find the snail under a sharp timeline of 8 seconds. The black and white image features a cat sitting on a chair and facing a desk full of things. A small hidden snail is in this optical illusion. Your challenge is to find the snail under a sharp timeline of 8 seconds. The black and white image features a cat sitting on a chair and facing a desk full of things. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle