To learn the basic principles of beatboxing
To learn how to create your won beatboxing piece
Your 101 in beatboxing
There are many online communities for beat-boxing one such community is the https://www.humanbeatbox.com/ which you can use to come up with ideas.
In your groups practise the sounds from the video. Divide your group into the parts and practise the sounds
Try and come up with your own mash-up add some RAP lyrics of your own. Compose a short tune of your own.