Below a painting of the Giant Causeway done in the watercolour class. For this one I used Watercolour, pastels and white Gouache on brown Kraft paper.
Here two versions of Dunluce Castle in watercolour respectively on white and Kraft paper:
Below another version of the Giant Causeway painted with Acrylic on recycled orange grease-proof paper. I started with the brush and finished with a palette knife!