Bokundo Marbling Set consists of six non-toxic, water-based colours in dropper-top bottles. Simply drop the colour onto water, blow, comb or swirl to disperse as required and place card, paper or fabric onto the surface. 15ml bottles: yellow, crimson, blue, green, vermillion and black. Marbling Tray 400 x 300 x 25mm. Marbling Comb to create patterns.