Here is my sketchbook page from my 14 days of sketching. I went outside and collected some interesting items form nature first.

Here are the warm-ups, pencil scribbles and some explorations of a rosehip:

 

For my sketching sessions, I tried to choose subjects that felt interesting to me - an intriguing color, shape or something I've never sketched yet. And on some days, just what felt like it would fit on the page.