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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 heat jugs are used to sense and name temperature differences. As a result, terms such as cold, cool, warm and hot and their gradations are felt and learned by the children. The material consists of a wooden tray with eight wells and eight chrome-plated, which can be filled in pairs with water of different temperatures.