I made a kids bow out of a fairly large red osier, maybe 3.5 feet long. I left the bark on and tillered the thick end to match the thin end.
It was actually a pretty sweet little bow and seemed to hold up just fine, until my son used it as a shovel.
![Shocked :o](http://www.primitivearcher.com/smf/Smileys/default/shocked.gif)
Patrick