If you think you're smarter than an eight-year-old, then it may be time to think again. 

This National Geographic brain teaser is going viral because kids are way more likely to solve it than adults.

The puzzle shows a totally symmetrical bus and asks you to determine in which direction it's going. 

Sooo… Can you figure it out?

If you're stumped just remember KIDS can crack it!

Still stumped (us too)? Here's a video explaining the answer: