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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.
Working with the hundred board R.mische Numerals corresponds to working with the hundred board (see order no. 0.180.00). The child structures the number space up to one hundred and arranges the number plates in the hundreds field. The Roman numerals also provide insight into another number system. The examination of the culture of the R.mer is stimulated by the work with the R.mische numerals.