All matters in the universe possess unique characteristics such as velocity, mass etc. They also have the ability to impact surrounding matters through certain laws of causality. Once in a while, we observe the magical state of equilibrium within a specific ecosystem, where all are peacefully enjoying their comfortable distances and forces with each other. What do we consider as "joy" or "harmony"? BALANCE is a particle simulation system that allows the visual and physical interplay of Balance as an abstract concept.