¿3D grayscale coloring book for adults¿An wonderful new way to color Mandalas - in 3DThe coloring book includes 8,5x8,5" 60 pages black backsides - no pushing through matte Softcover Beautiful 3D MandalasThis wonderful coloring book is a great gift for all Mandala, mindfulness and 3D fans.A book for relaxation, for meditative painting, for stress relief.