HYY1009 Features: * Crystal skull resin ornament * Centerpiece * Made of non-toxic materials * Hand-painted * Freshwater or saltwater aquariums * The left Aztec decoration, right forest decoration, calendar and snake combo pack, and lost civilization background are also available as part of the lost civilization theme (additional items sold separately) Color/Finish: * Glows as colored light is allowed to shine through Specifications: * Creates a spectacular 3-D scene in your aquarium with H2ShOw worlds * Uses with H2ShOw bubble maker to add aeration and bubbling effects * Uses with H2ShOw LED spotlights to add fantastic lighting effects