Blue base blue liquid yellow lava motion night light nightlight nite lite This blue base motion night light has yellow wax that flows up and down in light blue liquid. This night light is made of a hard plastic. With blue plastic on the top and bottom of a clear plastic center. Inside the clear plastic center is light blue liquid and yellow wax. When on, the yellow wax heats up moves around the light blue liquid, like a lava lamp. This night light has an on/off switch. Uses a 5 watt bulb, that is included. This night light is 8" high by 2" wide.