Optical illusion: Only those with 20/20 vision can spot the hidden needle in 5 seconds

Optical illusion: Only those with 20/20 vision can spot the hidden needle in 5 seconds

Optical illusions are not mere entertaining visuals, but very excellent tools for education to challenge one’s brain as he or she gets involved. These beautiful puzzles provide wonderful fun ways to test your IQ, your observance skills, and your mental agility. Optical illusions are not mere entertaining visuals, but very excellent tools for education to challenge one’s brain as he or she gets involved. These beautiful puzzles provide wonderful fun ways to test your IQ, your observance skills, and your mental agility.  Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle

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