Ha! Ha! that is wonderful. I love it & I can admire how clever it is even though I would have absolutely no use for it whatsoever. File this with teardrop caravans & other clever bits of kit that look great but none of us will buy. Although tbf, nobody can buy it until he gets the funding. I wonder how well he has done his market research?
Look again at the video...and from the front, does it remind you of the little helper robots(Huey & Dewey & Louie ?) from the sci-fi film Silent Running...