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Montessori materials are NOT toys, but educational materials. Proper use requires appropriate training.
Montessori materials may contain small, rough, sharp, or other elements that could cause injury or damage if used improperly.
It may therefore only be used by children under the supervision of appropriately trained persons and in an appropriate environment.
The material contributes to the development of the barish sense and motor skills. With the eyes closed, the child sorts the tablets by weight by weighing them on the fingertips. Three wooden boxes, each with seven boards, which are the same in size but different in weight.