A collection of 500 optical illusions that brims with the best eye tricks and visual oddities. It challenges you to try and figure out how many legs the happy hippo has; what's weird about a very unusual building; why a page with wiggly, wavy lines can make you seasick and more.
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A collection of 500 optical illusions that brims with the best eye tricks and visual oddities. It challenges you to try and figure out how many legs the happy hippo has; what's weird about a very unusual building; why a page with wiggly, wavy lines can make you seasick and more.
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