How To Make Papercrete — Papercrete is the ultimate building material for preppers, homesteaders, and off grid living enthusiasts. It is easy and cheap to make. It also could solve your paper and cardboard recycling problems.
Diy Modular Cardboard-Recycling Bookcases, By Dany Gilles Picture on VisualizeUs
I would wanna make something like that cuz I have so much cardboard lying around! but I don't have the courage to!
Recycled crafts for children: Cardboard loom to weave with yarn
How to make a digger/car/truck etc from boxes