The Sensorial area of the classroom contains materials that are specifically designed to support the development of the child’s brain through sensory exploration. Sensorial materials support not only the development of the visual sense, but also auditory, tactile, taste, smell, stereognostic (determining form by feel), temperature, chromic (visual discrimination of color), kinesthetic (movement), and baric (weight). Sensorial materials are also designed to allow for exploration and experimentation on the part of the child. These Sensorial materials are beautiful and exact, and because they are easily explored, they encourage children to spend great amounts of time in this exploration. This sustained exploration is an essential foundation for building toward four core Montessori goals: the development of concentration, coordination, a sense of order, and independence. Dr. Montessori said that, “the education of the senses has, as its aim, the refinement of the differential perception of stimuli by means of repeated exercises”, and certainly the materials she designed support this aim.