THE INSPIRATION FOR THE BIRTH MACHINE SCULPTURE AND THE BULLET BABIES IS THE 1967, PEN AND INK GIGER ARTWORK, "BIRTHMACHINE", A CUT-AWAY IMAGE OF A FULLY LOADED WALTHER PISTOL. AVAILABLE FOR ADOPTION IN EITHER BRONZE OR ALUMINIUM, THE LIMITED EDITION BULLET BABY SCULPTURES SIT INSIDE THE SHELL OF A 9MM LUGER CASING: THE BOTTOM SURFACE OF THE SCULPTURE IS FINISHED TO LOOK LIKE A REAL BULLET AND IS MARKED '9MM GIGER', ALONG WITH THE ARTIST SIGNATURE AND THE EDITION NUMBER.