Challenge your brain with this optical illusion IQ test online! Spot the hidden pencil in just 5 seconds in this tricky ...

Optical illusions are the most amazing and mind-bending visuals, challenging the way we perceive things. These changing ...

Our today’s optical illusion featuring a sea of green "S’s" challenges viewers to spot the hidden "5." This brain-teasing puzzle sharpens observation skills and tests mental agility. So can you find ...

THIS is the brainteaser that asks you to combine more than one skill – pictures and words – in a punishing game of intellect.

Challenge yourself with optical illusions designed to test your observation skills and creativity. Focus on the 4th row to ...

This new understanding of vision also led to the realization that the eye could be manipulated. Optical illusions in art ...

Optical illusions are not mere entertaining visuals, but very excellent tools for education to challenge one's brain as he or ...

This tricky optical illusion puzzle tests your observation skills under pressure. Are you among the top-tier keen observers ...

THIS is the brainteaser that challenges you to judge everyone you see – to see which humans are actually robots. Everyone can see the people enjoying their day in the sun, but only those ...

From the 'Moon Illusion' to 'The Dress', there have been many baffling optical illusions discovered ... the light-sensitive cells in your eye which detect magenta get overstimulated.

Optical illusions never fail to amaze ... and you'll quickly realise there's more to this illusion than meets the eye. What appears to be an "X" shape, with arms in different shades of red ...

Choosing the right materials is key to creating DIY optical illusion art: High-quality drawing paper: Choose paper with a ...