I finished my first box today.
This thread has more details around the material and process: 3D Design Question - #11 by CullenS
Since then I applied Watco Medium Walnut Danish Oil at the request of my customer (11 year old daughter). After a few days to allow that to dry I added a couple of coats of shellac.
I am happy with it and I think she is as well.
The lid fits super nice and has a crisp little snap as it closes.