DIY calendar journal— index cards! I made this calendar journal three years ago and have written in it daily ever since. It has been so rewarding. The beginning of a new year is the perfect time to make your own!
[Handmade DIY homemade storage box tutorial] -- in Chinese, but the pictures are instructive, and the box model is easy to find in origami tutorials.- Not to mention would be great at holding loose jewelry laying around.