![](https://i0.wp.com/farm8.staticflickr.com/7272/7026927511_5f1384c863.jpg?w=1170)
(Insert They Might Be Giants reference here), originally uploaded by spinneyhead.
Take one knackered faux 30s radio, rip out the broken innards and nail to a board then a tree. Instant eccentric bird box.
Now to see if any of the local avians are eccentric enough to live in it.