The material can be used to illustrate additions and subtractions. The material consists of a box with ten compartments, containing six sets of cut-out digits from 0 to 9 as well as a number of ‘+’, ‘–’, and ‘=’ signs.
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.