The mechanism – Just turn the tune and tighten each tube connection. There is no more that I can write to make you understand better how to put the unit together. Furinno furniture always provide option in the color and usage of the units. Design motto is to fit in your space and fit on your budget. Furinno hope that every penny in wallet counts. This unit can be used as kids toy display and storage, shoe rack and more than that, a end table or guest coffee table. If you are bored with the traditional coffee table, this unit can add a little fun to your living room as a serving table. Place a flower pot at one table top and save the other table top for a cup of coffee. Organize your magazine at the lower rack with a storage bin or display a favorite trophy at the lower shelf and be humble about it. Always put a coaster if you are putting a cold glass on the table top to prevent the lamination from peeling. Wipe clean with slightly damped cloth. Simple stylish design is functional and suitable for any room Fits in your space, fits on your budget Sturdy on flat surface Holds up to 15 lbs per shelf Shelf is indeed symmetrical, with rounded edges on both sides of the shelf and would work just fine flip-flopped, side-by-side Colleen collection Zipcode™ Design Colleen 20″ Cube Unit Bookcase