Try it. My theory is that the younger your brain is the easier it will be for you to get the frogs all to change places. Alternatively, if your brain works the way the brains of second graders in China do, you'll do fine.
I managed it twice, and couldn't figure out how I had done it.
If you find yourself obsessing (as I did) here's the solution:
...which I had to watch innumerable times to reproduce it.