Introducing My Granddaughter to the Game of Jacks!

I was quite excited to find a game of Jacks that would fit the hand of a 4 year old!  It has been years, and I'm not sure that I remember how to play it, but thankfully there are instructions of the back. I will have to play a game or two so that I can explain how to play to her when she arrives in a couple of months.  Will she beat me... probably lol!