THESE ARE TOUGHENED GLASS DISPLAY CUBES THAT CAN BE USED TO SHOW NUMEROUS THINGS IN SHOPS OR EXIBITIONS. EASY TO ASSEMBLE. BUYER MUST COLLECT. WE HAVE 28 CUBES INALL. MINIMUM PURCHASE IS 3 CUBES. MAXIMUM HEIGHT ALLOWED IS 5 CUBES WITH A MINIMUM WIDTH OF 2 CUBES. THIS IS FOR SAFETY REASONS.