The other day we were at a big flea market where we noticed this guy who made these little cardboard drums for children. In no time both our children had their own drums!
I did a quick Google images search on 'cardboard' and came up with a few results shown below:
Above: Cardboard office, Nothing Agency
Arik Koudenburg & Joost Bleiswijk
Above: Leo Kempf
Above: David Stark
Above: Mark Langan
Above: Yuki Matsuoka