Those are some really good ideas. I especially like the how you solved the problem with "end of turn" & "save ends". I think you've planted a seed in my head for using flags.
Latest idea
Recently, I acquired a large quantity of D&D miniatures for an incredibly low price. This prompted me to think again about a cheap and easy base for miniatures. Having used washers for the paper tokens, I knew these were a close fit for the miniature base. All I needed was a way to...