 
           
           
           
          Please note:
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 consists of a box measuring 12 x 12 cm and ten wooden tablets 12 x 9 cm with smooth surfaces in five gradations. The structure of two tablets is the same.