Cube theory is a product dedicated to reducing consumption. As a universal combination bookshelf, it has a solid structure and a versatile appearance, which can withstand the test of time and moving. Modern life consumes so much that people no longer pay attention to how much resources they waste. Using the cube theory allows us to see our footprints at a glance. cubic theory is a shelving system that aims to largely reduce the amount of shelves consumed. The cubes are highly durable as they can overcome the destruction of everyday use and transporting. The timeless looks make them easily fit it all kinds of users from college students to 80-year-old book lovers. it can change our wasteful ways of living in moderndays, make us cherrish what we have. When we move we find how much useless stuff we've bought, and cubic theory is help us avoid that. we count on the cubes we have, they grow as we grow. with in a certain number of cubes at a certain age, we know wether we are possessing too much useless stuff. the cubic theory way of living is: the less you own, the less that owns you.