Kids make a chain every time they see or do an act of kindness. I think this would be great to write different acts of kindness that they have seen or done and then make a tree with them and put it on the door!
DIY Christmas Tree Pop Up Card DIY Christmas Tree Pop Up Card
Letter to Santa- this one is fun because you can color it too!
Solar System Project Ideas For Kids
Solar System Project Ideas For Kids, http://hative.com/solar-system-project-ideas-for-kids/,