Pattern Crazy: Mechanical Mayhem - 45 adult coloring pages to print and color. Pattern Crazy: Mechanical Mayhem is the perfect adult coloring book for anyone who loves robots, steampunk, machines, technology, science fiction or patterns. The variety in the level of detail between the coloring pages make this is a great coloring book for everyone – men, women, boys and girls. The lines are nice and thick so you can color extreme details without worrying about making mistakes. Pattern Crazy is a series of coloring books based on a variety of patterns created from hand-drawn art that has been digitally manipulated. Pattern Crazy: Mechanical Mayhem is the second adult coloring book in this series. The patterns in this book are created from robotic mechanical pen illustrations, with lots of machines, cogs and robotic elements. This 8.5×11″ printable adult coloring book has 45 patterns to choose from, you can print your favorites straight away to color in and keep this collection of coloring pages on your computer to print at any time. Number of pages: 45 Format: PDF booklet saved in a .zip folder Size: Standard US Letter 8.5 x 11"