start with special paper for charcoal soft and hard pencil, dry and oil pastels, marker pointer, pencils. Move to acrylic can be used with water. Water color and water color pencils. Oil paints and knife and finger techniques.
Artist Sabine Belz: Abstract Acrylic with modeling paste Part 1 of The actual tutorial (not of the "flower" picture) begins at Sabine speaks German, but the tutorial is all visual and very easy to understand.