Nanoblock LED Display Base The best nanoblock builds are made to display and the LED plate provides the perfect environment to show off your magnificent accomplishments The internal LEDs Cycle through red, green, blue and white to add a spectacular internal color to nanoblock (and paper nano) creations 4 x 4 inches with a brick plate on top, build your nano project right on the base, it the perfect size to display on a shelf or desk Powered by 2 AAA batteries (not included), can also be powered from a USB port, theres an on/off switch For all nanoblock and paper nano builders ages 8+