This file from SimplyCraftySVGs is fun and quick! Sandy's assembly video is great too! Sandy has lots of other fun files to choose from and a large assortment of free files as well.
Sizzix' eclips2 and software, eCal2 made cutting a breeze. Cardstock from Fun Stamper's Journey and AC Cardstock.
Once the pieces are cut, you can add a little more color and depth using the eBrush and Tombow markers. I also smudged some color on the red panels on the box. The tealight box inside the box is perfect and easy to put together and I envision a few more boxes with adaptations in my future. I think I might use a taller tealight like the ones that Sandy used in her sample next go around....
Have a wonderful holiday! Happy Crafting and nurturing your heart in the process!