Hazelnuts glued together (using a lit to get an even circle) The result is a christmastree-ornament in the form of a wreath! ~I~ You could use chestnuts - and instead of glue - use needle and sisal-string.
DIY Christmas tree decoration Made with a paper cone and yarn. Dip the yarn in Elmer's glue and while it's wet wrap it around the cone. Let it dry completely and then remove it from the cone. Then decorate!