Leo has been very interested for some time in giant numbers. (You think googolplex is big?…wait until you meet Graham’s and Rayo’s numbers! … Go ahead, look ’em up! 🙂 )
So, this morning Leo spontaneously made up a card game that’s a little like the War card game (he was a little vague on the specific rules), where instead of a standard deck of cards, you have cards that he created with real giant numbers on them.
Here are a few of the cards: