1 new of 66 responses total.
They tend to show up at all the yard sales and rummage sales here for $5, in fact I think we even saw one at the curb recently. Any oven with a pilot light would work but you say WA state is all electric. YOu can also try making yogurt in a closed box with a light bulb for heat (a styrofoam cooler might work, with the pot of yogurt-to-be in it).
You have several choices: