DIY making iced branches. It does take some special ingredients (like the diamond vase filler) and can purchase from this site. I don't know if you can get it anywhere else, but these are beautiful and the prices for the filler or crystals isn't bad.
It's the time of year when there are tons of pine cones everywhere! These adorable rounded woody fruits of a pine tree come in so many shapes and sizes, and there are lots of ways to use them to make nature crafts.