"The ancient saying, "There is nothing in the intellect which was not first in some way in the senses," and senses being explorers of the world, opens the way to knowledge"
Children live in a world of senses; color, size, dimensions, shape, form, sound, touch, taste and smell. The sensorial activities help the child to classify all these impressions that he has absorbed from the environment. These activities provide a key to the world for understanding abstraction.
Sensorial activities refine the senses and help the child become conscious of physical properties helping them to move into the abstract