MANUAL CRANK MODEL: Ratchet Lever HOW IT WORKS: Plays while you turn the lever clockwise MEASUREMENTS: 2.5 x 2 x 1.5" (Unit in Inches) BOX DESIGNS: Each box is uniquely engraved. One of the most incredible qualities of this wooden music box is the conceptual design; carefully engraved to ensure that the unique, refined features are up to the highest quality. Each wooden music box is specifically designed to capture and represent the distinguishing characteristics of the music movement fitted within which is exactly what makes these music boxes exceptional. With a simple and effortless turn of the lever you will have the opportunity to place a little nostalgia back into your life, order one today!