Here is a goal: How can you make monster spray that will repel monsters in your kid's room?

Which way makes more sense to accomplish this goal?

OPTIONS: I. Get a unique smelling toxic spray, print up a label that say's MONSTER SPRAY and a scary picture of a monster with an x over it's face and put it on the bottle, spray this in the room to calm kids.. II. Get a unique smelling air freshener, print up a label that say's MONSTER SPRAY and a scary picture of a monster with an x over it's face and put it on the bottle, spray this in the room to calm kids..
II.