Fun with Coloring-for-Kids.com: Tank Robot 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. Invite children to draw – this allows you to unlock the potential of a young artist and develop his unique abilities! Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.