I love these optical cubes. Dresser, when the sun hits them at the perfect angle, they emit broken, brilliant, almost celestial colors all over my office on the walls and ceiling. The colors are clean and rich, and office-goers will appreciate the ethereal display always stand out. Remember the sun has to hit it just in time (like Stonehenge) and the performance only lasts about 20 minutes, but it's a relaxing performance that changes with the sun throughout the year. Buy it and enjoy dancing…