I mixed about 4 cups water with 2 cups flour and 1 cup Mod Podge. That may have been overkill but I'd rather a tough baby than a one-hit quitter.
I used 3 balloons in all, 2 for the body and one for the head and I taped them together to hold them in position before I set to work on layering them with glue-dipped newspaper:
A photo of the pinata before starting and the shadowed figure of the man who'd end up breaking him open.
After the smash the head became a very popular photo companion:
And of course, the candy was a HUGE hit! What a way to spend a birthday; pretending to be pregnant and having a bash. All I can say is it was awesome.