Here is how it works, after receiving your goody bag you then get to "BOO" 1 or 2 friends/neighbor's. We did it at night and then either knocked on their door or pushed the doorbell and ran. Inside our bag we included glow sticks, Halloween pencils and candy. Luke had sooooo much fun with this.
Here are just a few more ideas I found on Pinterest.
All of these are down loadable for free!
I thought this one was pretty!
Also by Tom Kat Studio, link is below.