Making Polymer Balls

We made some bouncy balls today that I had pinned on pinterest recently.  The instructions are here.  Ours didn't come out looking exactly like the picture, but the girls had a good time!

It was really neat to watch the process.  Later on in the evening, after the balls had been sitting for a while, they got harder and might have bounced if they hadn't been stretched into crazy shapes at that point.  I would like to try it again with clear glue because that makes the balls clear. 

And then we have this:

He can't actually get himself turned around in the chair...but it is only a matter of time.