Established in Chicago in 1902, American Plating and Manufacturing (APM) has been making the popular American Song Whistle since 1920. This classic slide whistle is made of nickel-plated brass. By blowing into the whistle while sliding the plunger up and down, the player can make over two octaves of glissandos and sound effects. Each whistle comes in a gift box. American Plating 302 Song Whistle Range of two octaves Nickel-plated brass 12.5″ long Made in the USA