Green Stuff World Blood Effects - Prince Tau Blood Prince Tau Blood effect paint is a type of acrylic paint that is specifically formulated to create the look of regal bodily fluids on miniature figurines of court, princely, and royal themes. It is commonly used in hobbies such as modeling, wargaming, and other miniature-related activities to add a highly realistic touch to various projects with a regal or majestic theme. Contents: 1 dropper bottle 17ml - Valid for brush and airbrush.