(tetrad) - geometric shape composed of four squares, connected on at least one side

The Tetrad Flat Shelving is a modular, lightweight shelving solution consisting of 10 separate blocks with wooden sides and colored metal backings. Blocks can be attached to one another, to the wall or left free floating for life-sized, living room game play. And no, the bottom line doesn't disappear when you make that perfect configuration. Choose from White or Natural Finland Plywood and White or Multi-Color for the Backings. Download a Printable Tetrad Designer and start playing today!