This unique, open-form and visually complex coloring book works very well for many scholastic applications: * Completely free-form, allows wide ranging explorations of color spaces for all ages of students * Designs are chock full of complex patterns and turbulences interesting to young artists and engineers alike * Relaxing and engaging for many neurodivergent students The product PDF is formatted to be printed double-sided, like a book. Once the coloring pages begin, all backs are left blank f