(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 5 different shaped 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!