Cool Ninja Coloring Book. For young fans of the heroes from Ninjago City, the Lego Ninjago coloring book offers a variety of coloring templates featuring popular characters, their adversaries, and favorite vehicles. In this intricately designed coloring book, children can unleash their creativity and personalize the ninjas, their cool vehicles, and well-known villains. Lovingly hand-drawn scenes from the world of Master Wu's students provide exciting insights into the lives of the ninjas. Different coloring levels ensure maximum variety and great fun while coloring.