$10
From arteascuola.com a set of worksheets to draw with value and chiaroscuro in different ways. In the set, you will find 3 sheets with solids and 3 sheets with striped vases ready to be colored and shaded. You'll find 6 sheets with cubes in various sizes and compositions, a simple still life with solids and one with objects.
You find ideas and lessons on how to use the worksheets on www.arteascuola.com