The tower stands 3x3x6 inches (approx 8x8x15cm) and has a "boot" extension of 2 inches (approx 5 cm) where the dice are corraled by an external baffle. All knockdown dice towers are sold as kits - including all components and assembly and disassembly instructions. No glue required - sets up and knocks down in seconds! All dice towers are made of quality 3mm birch plywood and then precision laser-cut to ensure a precise, tight fit, of all components. Wood fingers go through slots in the front and rear to make a tight fit. Knockdown Dice Tower includes three internal baffles to ensure that your die rolls are truly random. Portable, quick, sturdy, cheap, customizable - the perfect dice tower for all gamers.