Alexander Calder inspired mobile - tissue paper and wire. This may be the answer to my mobile dilemma. I found corrugated cardboard is too hard for kids to cut. Thin wire and tissue should be a bit easier.
Burcu Avsar Yesterday, I mentioned BARC paper, a wood veneer paper that looks like traditional wood veneer but handles with the ease of paper. I found it because I had the idea of making a "snowflake" chandelier out of rosettes.