"It's a golem," I explained patiently.
"Which is?" Thomas looked at the thing in the circle dubiously. Admittedly, it wasn't much to look at. A humanoid figure, it basically amounted to 'torso, legs, arms and head'.
"A magical construct. I invest a little of my power into it, pulling ectoplasm from the NeverNever to make it a body, and it does simple tasks. Like, really simple. If I went more complex it might be able to open a door."
"How many does it take to change a lightbulb?" he asked curiously.
"Ha ha," I said flatly. "Very funny. And, eight."