Hey, let's think of some songs that you would like to learn to play. I've done this with clarinets in the past and they love it and it sounds GREAT.
Practice this with the video. Keep your right hand down when playing G.
This is super duper important!
Learn where the home key is and try playing a 2-handed waterfall all the way down to low F.
Watch this video for a mini lesson on how to play the first 5 notes: G, F, E, D, and C. These are the five notes of the "waterfall"