video://www.youtube.com/watch?v=6PpMoYwLzoM
Here’s another cool DIY on how to make a motion-activated Halloween spider that will creep down your doorsteps to your Halloween candy-munching visitors.
I wanted to create a motion-activated spider to put on my door for Halloween. It drops down when visitors approach the entryway, activates a spot light to draw their attention to the spider, gives them a scare, then automatically retracts and resets itself, waiting to prey upon its next victim.