Coloring-for-Adults.com: Gingerbread set coloring page – a useful anti-stress game for every day for adults. For print and online. Coloring an illustration with many elements improves mood, distracting from everyday worries. The magic created can be kept as a keepsake or shared with friends for inspiration. Permission: Creative Commons Attribution-NonCommercial 4.0 License. Artist: Persimmons Studio.