Did you gain skill with familiar materials?
I've worked with chalk pastels before but this was a good refresher for how to blend and mix, chalk isn't easy to work with because it gets everywhere and the blending can be hard to get right so it helped to get the feel of it again.
I've worked with chalk pastels before but this was a good refresher for how to blend and mix, chalk isn't easy to work with because it gets everywhere and the blending can be hard to get right so it helped to get the feel of it again.