Amazon.com : Derwent Inktense Pencils 12 Tin, Set of 12, Premium 4mm Round Core, Firm Texture, Watersoluble, Ideal for Watercolor, Drawing, Coloring and Painting on Paper and Fabric, Professional Quality (0700928) :
Caran d'Ache Classic Neocolor II Water-Soluble Pastels, 15 Colors - Amazon.com