A hand-held percussive shaker assembly comprising two identical shakers capable of producing different percussive sounds and rhythms in a single assembly is disclosed. The shakers are detachably connected by an integrally formed lock assembly. The shakers may be played as a single assembly or detached and played individually. Each shaker comprises one or more bottles filled with a striker material. Each bottle isolates its striker material from the striker material in other bottles and from any other part of the shaker. The shakers may produce the same or different tones when the shaker assembly is moved.