Coloring-for-Kids.com: Kittens with a Ball of Thread coloring page is an online game and printable coloring book that never ends. The presented picture can be printed for free for further coloring using paints and colored pencils. Share the result with your friends on social networks or download the coloring book to your personal album. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.