American Educational Transparent Celestial Globe, 12" Diameter (300)Transparent 12" celestial globe maps constellations for students studying astronomy in grades 5 12 Printed 3. 3" earth globe and 3 4" yellow sun mounted inside the star globe rotate independently and demonstrate the earth's apparent relationship to the stars, planets, and galaxies Poles adjust for the month and day to show the positions of the stars relative to the calendar Mounted in full horizon and meridian base for stability Teacher's guide