In practice, they moved in any old direction. But mostly, they just fell over on their sides from the vibration, and laid there like dying cockroaches, in turn impeding and knocking over still other pieces.
If you're fascinated by random number generators, I suppose you could find some entertainment here. For the other 99.9% of us, the whole shebang got put back in the box within 10 minutes. I don't know if any toy companies still make Electric Football, but if they do, for the love of all that's decent, don't buy it for your kids.