Here is a gorgeous Valentine themed lesson that teaches excellent shading skills.
It focuses on using shading to turn a flat 2D shape into a 3D form.
These were made by Grade 6 students. I give them the choice of using pencil or colored pencil for their good copy. Most stick with pencil as it's a bit easier to shade with. We use drawing pencils (4B) and blenders to get a nice shading effect.
See all the steps in my previous post HERE.
This group of students was one of my strongest yet so their final drawings turned out particularly well.
The student below added white gel pen detail to her piece.