If you have a hard time telling the color raspberry from the red ocher shade, we have good news for you. You can actually train your eyes to see different colors better. And the easiest and funniest way to do it is by solving visual riddles.

Here at Bright Side, we prepared 15 vivid and colorful pictures with hidden details that will sharpen your eyesight and your attention to detail!

1. Find the ice cream.

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IQ, short for intelligence quotient, is a measure of a person’s reasoning ability. … IQ tests begin to assess this by measuring short- and long-term memory.

2. Find the monkey.

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They also measure how well people can solve puzzles and recall information they’ve heard — and how quickly. Every student can learn, no matter how intelligent.