Hypnocube LED 4 x 4 x 4 Light Cube in good preowned working condition. Not original power cord and there are a couple of scratches on the plastic box. Box itself 4.7 x 6.7 inches This cube is made up of 64 LEDs that appear to be suspended inside a Plexiglas cube. It has a 4x4x4 array of lights that are controlled by a highly optimized processor. Each LED is capable of producing 4,096 distinct hues and the unit operates at 6,500 frames per second for ultra-smooth color transitions.