Art Nouveau is an international style that became popular between 1890 and 1910. Art Nouveau embraced architecture, interior design, furniture, textiles, and countless other objects down to silverware, jewelry, lamps, and stained glass. The hallmark of the style was curvilinear forms, vegetal and floral motifs, and all-over ornamentation. Now, kids of all ages will enjoy coloring 25 designs drawn from authentic Art Nouveau works of art.