A lighting device having a light diffuser and a circuit with at least two lamps of different colors mounted to direct light through a part of the light diffuser, and connections for at least one rechargeable battery to power said circuit. The circuit includes a light sub-circuit to independently control delivery of power to each of said lamps so as to vary the intensity of light emitted over time to produce a continuous color changing cycle. A spike is provided for positioning said connections above a ground surface.