DESIGNED BY JOHN WATKINS, CREW CHIEF AND DRIVER OF THE SQUIRE SHOP, THIS 3-D PRINTED "LEGENDS OF THUNDER" LIGHT FEATURING THE HYDROPLANE AND RACEBOAT MUSEUM LOGO WOULD BE A WONDERFUL ADDITION TO YOUR SHOP, MAN CAVE OR HYDRO COLLECTION! USES A USB CONNECTION AS ITS POWER SOURCE. USB ADAPTER INCLUDED.LIGHT MEASURES 9 1/2" X 9 1/2"