I seek out the sort of strange person who would actually want a furby. This take some time all on its own, and I begin to grow rather frustrated. However, I do eventually find this person.
"Hi," I say. "I've got a furby. You will give me a pie for it."
With any luck, this will work.
If it doesn't, I shall simply hit them over the head with it and take their pie.
Failing that, I shall hit them over the head with the furby, take their money, and buy a pie from the nearest store.
---
A broken pocketwatch.