Steam Engine Sound Generator with Whistle KitGenerates sound of a vintage steam engine. Adjustable 'speed' and volume. Great for model railroads, radio plays, stage, as gadget. With 'steam whistle'-push button. Soldering assembly is required.Specifications: Assembly required (soldering) Difficulty Level: Intermediate Power supply: 9V batter (not included) Comes with 8/0.5W miniature speaker PCB Dimensions: 3.9" x 3.3" Check out more fun and exciting electronic kits
