This kid's response to a classroom riddle is surprisingly deep
How Many Triangles Can You Find In This Picture?
This kids' logic puzzle about a campsite is stumping the internet
Which tank will fill up first? This online puzzle is trickier than you might think
No one on the internet can figure out how many squares are in this picture
People Are Calling This ‘The World’s Hardest Word Search’—Can You Crack It?