Coloring-for-Kids.com: Zentangle heart coloring page – online game by numbers, letters or download and paint with brushes. Coloring online and on paper develop the child’s imagination, fantasy, train fine motor skills. You can draw by example or by choosing colors yourself. Are you ready to color? A young talent will definitely like to see how a masterpiece turns out. Creative Commons Attribution-NonCommercial 4.0 License. Author of the work: Persimmons Studio.