Mysterious toy vessel (Machine-translation by Google Translate, not legally binding)

摘要

Mysterious toy vessel, characterized by consisting of a double bottom whose outer wall has a hole located in the upper part, at a point arranged below the neck of the vessel, but at the highest level of said bottom, in order to act of overflow to indicate the moment in which it is full and for air intake. (Machine-translation by Google Translate, not legally binding)