Inscribed as carton boxes. maybe we could have them unfold and have messaging on the inside? Then shipping crates could be filled with shredded brown paper/shredded cardboard? All can be composted or repacked to go to the next spot.
Packaging of colour pencils which can be used as a pencil case. The idea was to create an object which would be small when closed, but which would give access to pencils and expose them all when open. It's ecological, as made of corrugated fiberboard. Its graphic design (two versions: geometric motif or cats) encourages children to use the surface of the pencil case for their drawings. Easy in use and cheap in production.