This is the full set of wearable Iron Man armor old Kai-Xiang Xhong built out of cardboard. So, technically, it's Cardboard Man armor. Although -- only Iron Man's original armor was actually made out of iron. Now it's like, nano-particles or something.
Black Knight Costume - Cardboard gothic armor for 6 year-old. Made with corrugated cardboard, hot glue, paint, some elastic bands and velcro. (I don't think I would even attempt this, but it looks really cool!