Art therapy at Coloring-for-Kids.com: Kind Hippopotam coloring page is an online game and printable coloring book that never ends. 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 young artists to draw soon! Keep the results of young talents in memory: in paper or electronic form. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.