Sun, Earth, Moon Orbital Model, Multiple moving axis to demonstrate daylight, night, seasons and phases of moon, Requires two AA batteries, Light bulb inside sun to demonstrate sun light on moon & earth, Base has the months of the year along with the season
Celestial Star Globe, 12 in Globe Diameter, this model illustrates the Earths rotation on its axis and its revolution, The globe shows the milky way, major stars in 3-D and constellations, A 3in detailed Earth globe is fitted inside the large star globe
Go Direct* Drop Counter, precisely records the number of drops of titrant added during a titration and then automatically converts it to volume, Accurate drop counting at rates up to 6 drops/s, Dimensions: 15.5x4.5x1.8 cm, Opening for drops: 3 cm, Ring stand opening: 16 mm