• This listing is just for one set of Tetris Stackable LED Desk Lamp.
• Pieces can be stacked in any combination
• Light turns on when the pieces are stacked together, and off when dissembled
• Seven-piece interlocking light
• Size of each small pieces is 4 * 4 * 4 CM. Size of the package: 31.5 * 23.8 * 6.6 CM