The Kanizsa Triangle is just one of those optical illusions that keeps you guessing, long after you think you’ve figured it out. At first glance, it seems simple enough, its a triangle ...

Can you spot the hidden number? This optical illusion features a grid of identical circles with 96 and 69, but one lone circle has the number 99. Optical illusions like this challenge your observation ...

Optical illusions with hidden images like this are perfect for kids and adults to enhance observation ... in a dense forest picture. Sound simple? Don’t be too sure! Only a few visually sharp ...

Only those with razor-sharp focus can uncover him in under 5 seconds. Why so hard? Optical illusions for kids and adults alike often cleverly camouflage details in plain sight. Brain Teaser IQ ...