Styrophone

A styrophone is an acoustic device made from expanded polystyrene foam (often referred to by the genericized trademark Styrofoam). There are at least two varieties: * an acoustic musical instrument * a type of loudspeaker

Styrophone

A styrophone is an acoustic device made from expanded polystyrene foam (often referred to by the genericized trademark Styrofoam). There are at least two varieties: * an acoustic musical instrument * a type of loudspeaker