Illustrate your point with these informative sets of overhead transparencies and overlays, Set I Includes six overhead transparencies and one overlay, Topics Include: Seasons Moon Eclipses Star Chart Solar System Day and Night, Set II - 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, American Educational Products have a lead ship time of 21 days, SKU: AMED434