Yes, I recall Chisel is one of our international members (well, to us Americans anyway). They may not have the same kind of services where he lives.

I wonder whether this will work: <https://www.youtube.com/watch?v=vTVyRW55L4o>. Maybe you can even buy a water bottle for birds and modify it.

Try dry food for kittens. That may be your closest equivalent to the goldfish rock.