Intro: How to Booby Trap a Milk Carton!
In this step by step tutorial you'll learn how to easily booby trap a milk carton. To achieve this you will need a few household items.
milk carton with a screw cap
can of shaving cream
Basically what you want to do is to fill the balloon with shaving cream while its inside the milk carton, so that when your victims unscrews the cap, shaving cream will start shooting out!