Theoretical physicist Stephon Alexander attempts to teach a group of 7-year-old kids one of the most complicated scientific theories of all time: string theory.

In Alexander’s defense, it’s not an easy thing to teach children. When you really think about it, how many natural occurrences can you definitively explain? Not to take the Insane Clown Posse’s side on something, but could you explain how magnets work to children? If you answered yes, we’ve got an 8-minute show we’ll need you to star in.

This is the fifth episode of the Inverse original series Big Ideas with Little Kids, and it was the hardest task that any of our hosts had to face: teaching kids something that most adults can’t even wrap their heads around.