Such smarts! What other things can you make from a plastic soda bottle? A ton of things apparently. Here are some links: DIY soda bottle bird feeder, self-watering plant container, hanging planter (like the grow-your-tomatoes-upside-down thingy), and a bunch of other stuff.
H 3.5″ W 5.5″ D 1.25″
$15.00, Buy it here.