Fun with Coloring-for-Kids.com: Stapelia Cactus coloring page – coloring book printable or online game starts here. Choose a coloring mode, from standard coloring using a wide range of tools, to a game by numbers that children will enjoy and improve attention. The finished drawing of a young artist is convenient to save or send to loved ones through the site. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.