Abstract: A blowing device useful for acquisition of blowing and/or aspiring abilities, wherein the user is directed to blow and/or aspire is a predetemined manner. This novel devise comprising an envelope; at least one movable element located inside the inner portion of said envelope; a maneuverable tube of an open bore, having a proximal portion and a distal portion; said tube is protruded into said envelope at the proximal end and extended to a mouthpiece, adapted to be in communication with said user mouth; the distal portion of said tube is further extended into the inner portion of the envelope; wherein said movable element is directed to move in a predetermined course by a means of the blowing and/or aspiration characteristics.