Montessori Object Permanence Box: What it is and How to Make One
An object permanence box is a tool for children to learn that objects still exist when no longer visible. It was created based on the Montessori method used for infants and toddlers. These can be made with a hole cut in the top of a cardboard box large enough for a small object to be placed through.
Montessori Object Permanence Box: What it is and How to Make One Discover More »