How to kill Americans with geometry: A North Korean propaganda film for kids

Yes, pencils turns into rockets. Desks transform into tanks. Martial songs fill the background.

And yes, the boy must save the day at the end by actually using the protractor as its intended, because he needs to align the rocket properly in order to hit the invading U.S. ships.

Lesson: Don’t neglect your studies. Because one day, you might have to kill the Americans with geometry.