Art therapy at Coloring-for-Kids.com: Dolphins coloring page – online game by numbers or picture to print for toddlers and older kids. Just one click, and an exciting game begins: on paper or on a computer screen, phone or tablet. Be sure to praise the young artist! Call the children to draw soon! Young artists will be able to share the results of their creativity with friends or save them on a computer as a keepsake. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.