With this fascinating sky dome, students can plot the position of the sun for any given time and date. An effective tool for illustrating Earth/Sun relationships, the Suntracker gives students the opportunity to participate in the process of discovery while practicing actual skice skills. The 12 X 6 unit includes a comprehensive Teacher’s Guide. Shipped directly from the manufacturer. Not available with rush shipping. Information on how to place your order by fax or by telephone. Product Number AA4730