In the sensorial area of the Montessori classroom children develop and internalise concepts of qualities, similarities and differences through classification and seriation with regard to length, width, temperatures, mass, colour, shape and sound.
The sensorial materials also enhance the development of other skills such as language, mathematics and music. For example, by tracing sandpaper letters with his or her finger a child feels the shape of the letter whilst at the same time learning its sound.
Colours are named and graded according to lightness using the colour boxes as well as providing an opportunity for colour matching games.
An appreciation of music is a natural result of using the Montessori bells to learn sound and its order from soft to loud.