Scrooge gives his nephews an hourglass that he later discovers is the source of his great wealth. Carrying a billion dollars to buy the hourglass back, he follows the ducks to Africa, where they have gone to fill the hourglass with fresh sand from the oasis of No Issa -- the only kind of sand that will keep perfect time in the hourglass and so make its owner richer by the hour.; The nephews decide to put on a play about the American Revolution. Donald takes charge and decides that the family should live like their forefathers in order to get the feel for their parts.; Donald wants to take a nap at the beach, but the nephews keep bothering him.; A pelican ruins Donald's fishing.; The nephews make an excuse for being late to school.