A DIY water painting set offers a mess-free coloring activity for young children aged three to six. Each box contains 40 individual sets, with each set featuring a B5-sized painting sheet and six colors that activate with water. The painting surface measures 25 centimeters, providing a compact canvas for little hands to create artwork without the need for paints or brushes. This set is designed for use in classrooms, daycare centers, or at home, encouraging creativity and fine motor skill development. Each piece comes in a color box for easy distribution. Sold wholesale by the box.