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
Support base for skeleton, features a heavy (30 pound) cast iron base with 5 machine grade casters (2 with locks) and a sturdy threaded pole, this skeleton stand will pass the test of time and make the transport of y skeleton easy. Inner diameter of stand is 12.5mm.