Sensorial

Sensorial Exercises were designed by Montessori to cover every quality that can be perceived by the senses such as size, shape, composition, texture, loudness or softness, matching, weight, temperature, etc. Because the Exercises cover such a wide range of senses, Montessori categorized the Exercises into eight different groups: Visual, Tactile, Baric, Thermic, Auditory, Olfactory, Gustatory, and Stereognostic. 

Like: long red rods, pink tower, brown stair, geometric cabinet, color tablets, geometry solids, baric tablets, etc...