Spheres at the beginning of the course:

Spheres a few weeks later:

I wasn't used to draw from real life so it took me a while to figure out how to get something useful.. the perspective of this box challanged me

With the knowledge I got from the mark-making course I would draw toilet-paper more like this:

 

This instrument is called Udu, its an african drum which also sounds really nice :)

 Thanks again for the teaching, Brent!