Load an oil wheel in to the side of the Space Projector. Use the focus ring on the projector to focus the image on the desired wall/celing. The oil wheel turns within the projector creating a continuously spinning oil/lava effect on the wall/ceiling.

See more images Mathmos Space Projector in Silver with Violet / Blue Oil Wheel : Here

Mathmos Space Projector in Silver with Violet / Blue Oil Wheel

Mathmos Space Projector in Silver with Violet / Blue Oil Wheel