Art therapy at Coloring-for-Kids.com: Coloring Page – Dogs are Playing with a Ball is an online game and printable coloring book that never ends. Coloring is an effective tool for the development of a child, ensuring his independent leisure or organizing an exciting pastime with his parents. Color the page with young artists. Joint creative process unites! Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.