Great art starts with great products. Louis Prang developed child-safe art products that uphold the highest standards of quality in materials and color. These standards are maintained today in a comprehensive line of Prang art products for both children and professionals. Ever the gold standard in watercolors, Prang Oval Pan Watercolor Sets offer premium, intense pigments for brilliant color, a unique semi-moist, wax-free formulation and the best tone palette of its kind. The refills easily snap into the sturdy white case which includes a built-in mixing area and include a wood-handled paintbrush. They are AP certified non-toxic and conform to ASTM standards. Be bold, color your world, and discover Prang power.