Thomas & friends DCC sound locomotive - Percy (with moving eyes) - large scale. Percy comes alive with DCC sound. Features include: DCC sound-equipped, dual-mode decoder for DCC or analog operation, whistle, chuff, and cylinder blow down, DCC and/or manual volume control with on/off switch, polarity switch for operation according to NMRA or large scale 91422 railroading practices, additional character sound suites available through DCC CV selection only. Character sound suites include Thomas, Percy, James, Edward, Henry, Gordon, Emily, spencer, and Toby. Whistle or bell per prototype, moving eyes, international-style hook and loop couplers