What a slick Tetris Constructible Light! With 7 different colors， interlocking tetromino pieces that can be stacked in any combination， so you can make it look however you want! Once the blue Tetromino is plugged in and illuminated， the other tetrominos can be added in endless combinations. As soon as each Tetromino comes into contact with one already illuminated， it will light up! Remove it from the rest of the Tetris Light and it immediately turns off. There are countless ways the Tetris Light can be stacked， just put your Tetris gaming skills to the test. The Tetris Light contains seven individual Tetrimino lights and a main adaptor. The neon magic-cube design is sure to bring fun and style to your desktop!Seven-piece interlocking light fixture for fans of Tetris， Pieces can be stacked in any combination.As long as one of the main block(blue one) connected to the electric power supply， Other piled up can shine. Every day can change into different shapes. Light Source: LED Weight: 600gMaterial: PlasticInput: AC 100-240V 50/60HZOutput��oDC5V��?1000MAPackage Includes:7 x Interlocking Light Tetromino 1 x 220V AC Adaptor 1 x USB Port