COLOR BY NUMBER BOOK FOR ADULTS. Each section is 3x3 mm. You get very detailed pictures as a result! 50 pictures include cartoon characters, funny, stress relief, and mindware. Full-color solutions for the color-by-number pages are included in the back of the book. The palette is located at the bottom of the picture, and the details guide of colors name. This activity art book is a nice choice to spend your time during the weekend or vacations. Printed single side for no bleed through. Large 8.5 x 11 page size Perfect coloring book for boys, girls, and kids of all ages. Makes a great gift! BEST KIDS GIFT IDEA 2022!