Put your artistic mind in gear for a stimulating and invigorating colouring experience in 'Industrial Strength Coloring Book'. Designed by top-ranked commercial illustrator Robert Pizzo, 'Industrial Strength Coloring Book' will immerse you in a modern world of industry, factory, tools, and machinery. Intricate, mandala-like images of gears, sawblades, assembly lines, loading docks, and other industrial installations will give you hours of intense calming focus. Designed for a superior coloring experience, 'Industrial Strength Coloring Book' features thick, high-quality paper, printed on only one side, giving you a smooth, firm colouring surface with no bleed-through, and perforated pages let you share and preserve your creative work. The perfect colouring book for busy minds that love activity and purpose, the book will efficiently increase your production of fun.