This art material can easily be used in any classroom, not specifically Montessori one. The material shows beautiful paintings depicting different seasons of the year. It has wonderful artworks of Claude Monet, Pierre Renoir, Boris Kustodiev, Isaac Levitan, Ivan Shishkin, Toshi Yoshida, Vincent van Gogh, Gustave Courbet, Ivan Aivazovsky, Albert Bierstadt, Paul Gauguin and many others!These cards can be used for sorting paintings, learning about seasons, developing language skills, art appreciati