Coloring-for-Kids.com presents: Funny Hippos (difficult) 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! Color the page with young artists. Joint creative process unites! Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.