|Materials: Small recycled plastic chewing gum tub; found goose feathers and foliage; seaglass; wire; beads from old junk jewelry|
|Tweaked a bit with more foliage added.|
The diagrams below should give you some idea of how it was done (though figuring out how to do this is source of the fun).
|I wound thread at the bend in the wires as shown to form little barriers because the vertical rods kept slipping.|
|Here I've drawn in how the internal "gears" look.|
And here is a very short little YouTube video showing the thing in action.