I saw something similar to this on pinterest and loved the idea. My students made the paper chains so it's a true classroom built tree.
pop-up tree card
These adorable Reindeer gift tags are simple to make. All you need is half a peanut shell, a tag, and a black and red marker. That’s it! Just glue the peanut shell to the paper, let it sit, and then draw on Rudolph. These can also make great ornaments for the whole family with different pieces of paper!