A big Hershey bar hanging from the end of a fishing line/pole, lead them through with this. (Be sure and don't use a fishhook)
Have either a low seperating wall between you and them or a slight elevated walkway for yourself behind the wall, all you need to see is just the top of their heads as you lead them.
I cut a piece of 1/4inch plywood and replaced the chocolate , it makes the "prop" last alot longer with fewer repairs.
This isn't really anyhting new . It is just a modernization of the story of the Witch with the gingerbread and candy covered house tempting Hansel and Gretel, or course candy was cheaper back then, especially if you procured that candy via magical powers.
All that I can conjur up is another day's growth on my facial hair and killer BO.