- This article is made to order, delivery time approx. 4 - 5 months
Geometric Hierarchy of Numbers
AVAILABLE AGAIN FROM JUNE 2020
THE FIRST DELIVERY IS SOLD OUT!
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.
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To develop the extended number range from 1 to 1,000,000
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AVAILABLE AGAIN FROM JUNE 2020
THE FIRST DELIVERY IS SOLD OUT!
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