Hiding behind bushes in a monster costume and jumping out to scare would be trick-or-treaters is sooo 1995. That and it can earn you a beat down from an unsuspecting parental guardian. Here’s a way to do it while you’re safely hiding within your house.
First, either purchase or build a scary pop-out halloween prop, screaming speaker, or flashing lights of your choice. Here’s a pretty fancy one made out of PVC and other various items:
Couple this with one of our simple Floor Mat Switches….
and you’ve got an automatic Halloween gag that is sure to make a few kids soil their costumes!