We got it to work. Turns out the problem the first ime around was the ironing. This time we cranked up the heat and moved the iron around on the board while applying pressure.
Peeling away the paper with excitement:
It came out pretty much perfectly:
Now for its acid bath. To fully dissolve the copper took close to half and hour. Good thing we had the soothing words of Ira Glass streaming through the interwebs to pass the time
Revealing the copper:
We made two: