Abstract: A percussion box musical instrument includes a single, unitary, continuous shell formed of a plastic material and having integral and continuous exterior walls which collectively enclose a hollow interior cavity. The various walls, having a support surface to play on, and to support and or attach peripheral percussion instruments. The walls have molded in features of various sizes and shapes that produce different unique percussion sounds, as well as a handle for carrying. The front wall faces an audience and has an area for signage. The bottom wall provides a place for an access panel or door so that instruments can be stored inside the box. The percussion box is configured so that it can be played on the lap, on a stand, standing up using a strap, or on the floor using the feet.