A New Kind of Coloring Book for Adult Relaxation with just only One Color! Fun, Easy, and Interesting!

With any pen or marker you have in hand in anywhere, you can take the stress out and bring your favourite one come to life. Do not worry about changing colors, finding the right shape, just simple enjoy coloring.

Let's color while watching TV, listening to music or a podcast, and spending time with family.

This book contains:

• Consists of Dots, Lines and Spiroglyphics types
• Perfect size 8.5 x 11 inches.
• High quality paper