This is your entry point to the campus, and to the harmonica world. Start with the tunes lessons. These will show you how to hold the instrument, and how to play notes on it. Also, you will learn a famous tune.
Once you have finished the first ten tunes lessons you will have the background needed for the first blues lessons. Here you will meet a blues band, learn how to bend notes, and play your first solos.
You also need the items on the shopping list. You'll like them.
For many students, freshman year has the best memories. Take your time with the lessons. You will enjoy the progress you make.