When Mrs Elliott were driving up the Oregon coast last summer we happened across a ticky-boo shop selling many fanciful and useless things for the house. We were drawn to a frivolous rain chain, a portion of which is shown here:
Teapot and teacups rain chain
I hung it from the end of the gutter outside the living room window. It's been fun to watch when it rains, water splashing and gurgling down the chain.