This video is about making a box From sticks or more specifically, from scrap wood. The cut file is here: https://www.dropbox.com/s/wfv3smrbrrhzs9e/3%20by%205%20box.c2d.zip?dl=0
The magnets used are like these: https://www.amazon.com/Universal-Magnetic-Holder-Square-Magnets/dp/B071R332RN You can also find them on ebay for much cheaper.
Finish is Watco Danish Oil.