Massdrop offers the Seeed L3D Cube 3D LED Display Kit for $259.99 plus $8.25 for shipping. That's $20 under our mention from last August, $140 off list, and the lowest price we could find. This full-color volumetric display measures 8x8x8" and features 512 LEDs that can sync to music, motion controllers, and other cubes. You can also program it for new visualizations in Arduino. Click here to see it in action. Deal ends May 1.Note: It's expected to ship May 19.