Kuretake Exploring Watercolours Kit - How to paint flowers. This complete lesson kit teaches typical watercolour painting techniques in easy-to-understand instructions. Included in the lesson is a line drawing, drawing guides, as well as painting materials. GradationN. Gradation is a technique that is the gradual, seamless change in tone or colour with one colour, or between multiple. This technique is often used in paintings such as sky or seascapes. - Clean Color Real Brush Markers (RB-6000AT), No. 055 Pale Yellow, No. 401 Evergreen, No. 806 Pale Violet, No. 807 Plum Mist, No. 080 Violet and No. 999 Blender - Mangaka 01 Marker Pen (CNM-01) No. 065 Sepia - Fudebitori Pigment Pen (CBK-55P) No. 000 Milky White - Paper 100 x 148mm - Pre-printed sheet x 1 - [read more].