The objective of this research is to combine sculpture and sound in the creation of three, three dimensional sculpture pieces, it could also be thought of as creating an instrument, not with traditional methods, but more sculptural aesthetics, with sound making possibilities. Thervox can be played by body movement and gestures interacting with the object, this is achieved through Theremin like electronics within the sculptures. Various interpretations of sound sculpture and the making of Thervox are offered to the reader, This work covers source of inspiration, review of interactive sound sculpture, designing and creating and evaluation.