Riddles Brain Teaser Of The Day: Thinking Outside The Box May 13, 2017February 23, 2017 gags Connect all 9 of the dots using 4 straight lines or less. Do so without lifting the pen or tracing the same line more than once. Show answer Just draw the lines extending past the dots and their are many solutions. Here is one of them. This riddle is the reason for the phrase ‘thinking outside of the box’.