Upcycle Pringles cans
Tutorial: How to make a piece of cardboard furniture - Céline Kart'on
DIY Easter Egg Carton Flower Centerpiece, so bright and beautiful for Easter table decoration
step by step Photo tutorial - Bildanleitung
Do check these DIY cardboard furniture projects to feel the recycling potential of these cardboard which are mostly used for the deliveries of comparatively
Note structural braces built in along sides: I assume these are also built in underneath each shelf. Sealed and painted, these could hold movies, games, or a few books easily.
DIY de cartón | Manualidades