Modern Art Therapy: Tank Panther 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. Show the young artist that finished work can be saved or printed. And if something didn’t work out, it’s enough to start drawing again. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.