Project the mysteries of the universe overhead with these 12 informative transparencies. Set includes Astronomy 1 transparencies, plus 6 additional images that will broaden your students’ understanding of important astronomical information. Extra topies include Tides, The Sun, Phases of the Moon, Solar System Origin, etc. Transparent overlays add detail and organization to conceptual development. Includes 8 overlays. Shipped directly from the manufacturer. Not available with rush shipping. Information on how to place your order by fax or by telephone. Product Number AA1512