This dizzying elephant optical illusion has me stumped

If there's one thing the internet loves, it's a good optical illusion. The most recent brain-boggling viral hit is this ...
Creative Bloq on MSN

This viral elephant optical illusion is pure magic

Shared by Science Magician, Matt Pritchard, this optical illusion consists of a circle of vivid purple elephants in a circle. The aim is to find which one is the brightest, but the more you search, ...