Luminescent water-soluble oil pastels!
Cretacolor AquaStic Metallic colors have a smooth consistency for easy blending. Use them on almost any surface—paper, canvas, cardboard, wood, masonite, glass or plastic—for drawing, encaustic, painting over (resist), sgraffi to, mixed media, rubbing and monoprint techniques. Glossy, pigmented, highly lightfast colors are packed in a metal tin.

(1) Cretacolor AquaStic Metallic 10-color Set in Tin