Coloring Book Geometric Shapes: Coloring Book Geometric Patterns, Gift for Mathematician and Engineer, Adult Coloring Book for Anxiety

This beautiful geometric patterns coloring book for adults was made to help lower your stress and anxiety level. It's also great fun! - 50 unique pattern designs - - 21,9 cm x 28 ( 8.5 x 11 inch) Let your creativity thrive and order a copy today!