Imagine this: you purchase a bonfire kit from a hardware vendor. You place it on the ground, fill it with planks, and activate it - which creates a little fire. While it's burning everyone in the area gets a small mood boost. How long it burns depends on how many planks you put in. You can't move it or pick it up while it's burning, and when it's done it disappears. (or turns into a pile of ash?)
It would be fun to have them at parties :)