Coloring-for-Kids.com presents: Cat Birthday coloring page is an online game and printable coloring book that never ends. 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 result of the young artist’s work can be shared through the site in social networks. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.