A tray with two sets of opaque jars, each containing a ball of cotton moistened with substance of different odors:
– These sets make up four pairs.
– The tops of each set should be a different color.
– The tops should open and close easily.
Refinement of the olfactory sense.
To develop consciousness of odors and fragrances.
The aim of this smelling jars exercise is to develop and refine olfactory senses in the child and improve matching skills.

Substances with different smells are placed inside the first set of jars and exactly the same matching substances are placed in the second set of jars. The objective is for the child to match each bottle in the first set with a bottle that has the same smell from the second set.