Opticalista Glowing: Glowing Optical Adult coloring book

Opticalista Glowing...optical illusions to color... level up your coloringskills... dive into the drawing or color the way the drawing pops from your paper... of course you can go the way you like...but see the challenge in these Glowing Opticalistas...
Adult Coloring book exploring OpArt drawings, highly detailed drawings with lots of depth and possibilities.
50 single side printed drawings.