More to explore:
Special Forces Empty Favor Boxes
Teachers: Briefcase favor boxes
Cardboard christmas tree - This tree is on Etsy, but I'm sure I could do this myself.
This May Look Like A Cardboard Box, But It's So Much More
Foldschool is a collection of free cardboard furniture for kids, handmade by you. The downloadable patterns can be printed out with any printer. The collection includes a stool, chair and rocker. :)
£20 cardboard desk
This is going to hang in our office, next to the deer head. Cardboard taxidermy collection!
Recycled cardboard christmas tree holiday by cardboardchristmas lg 139.93
Having watched the video, this would be super easy to make