Japan’s Minister of Defense Shinjirō Koizumi posed with a cardboard drone on Monday during a meeting with drone manufacturer AirKamuy. The AirKamuy 150 is a cheap pre-fab cardboard drone meant to die on the battlefield and it comes shipped in a flatpack like an IKEA shelf.
For single use it’s not a bad idea honestly but I can’t imagine they would carry much and things like the wind might play a big factor.