Complete your costume or collection with the iconic chainsaw from the 1974 horror classic, The Texas Chainsaw Massacre. A toggle switch activates the prop which has a constant motor idling sound effect when turned on. Pull the trigger to spin the chain and unleash chainsaw sound effects directly from the film! The Texas Chainsaw Massacre (1974) Chainsaw Prop with Sound is designed for display or recreational use. Any alterations, modifications, or attempts to repair its mechanisms or electronics will void eligibility for replacement. Such actions may also compromise safety and product performance. We strongly advise against making unauthorized changes.