How do you think the work itself is difficult in the world? Course work as Santa Claus, because he has to think about all in the whole world! And prepare for all the people present gifts that will bring joy to all exactly. But for this you will need to help him as well, and connect to this process. Try this today in the form of Tetris, sort all the toys. One for boys, the other for girls, and you are sure you will succeed. Good luck and have a nice time.