We did the Elf Magic brand. Elves are much cuter and their feet are curled so that it's easy to hang them upside down from a table light or from a garland.
Also, there is no nonsense about them spying or that the kids can't touch them or they lose their magic. Every night they moved to a new hiding place and the kids would find them in the morning.
Every so often they were in a more elaborate setup when I had time. We still do them when the kids come home on Christmas break from college.
My favorite recent idea was the skittles in a circle on a plate with the sign to add warm water. The rainbow is a cool effect.
I'm embarrassed to admit I did the poop in muffin trays a few years ago with labels. Mini marshmallows for snowman poop, bright green candy for Grinch poop. Reece's pieces for ET poop. Pink & white sprinkles for Barbie poop. I had 12 different candies and sprinkles around the kitchen, so it was easy. Google for the rest of the ideas.
Snow angels out of flour on the counter.
Propped next to the counter mixer with a bag of cookie mix.
Sitting in the family room chair with a bowl of popcorn and the remote watching a Christmas movie.
Peeking out of the kid's stockings.
On a school day, sitting on a stack of books in the driver's seat trying to back the car out with one elf pushing the accelerator pedal.
In the fridge with a note that they missed the North Pole weather.
We had 2, which made it more fun for the hijinks. If you don't have an elf yet, here's the link. Their outfits and hair are really cute:
https://tumblesettoys.com/collections/elf-magic