Sun, Earth, and Moon revolve around one
another manually on this gear-driven model. Effectively demonstrates
daylight, night, seasons, and phases of the Moon. Arm is 15"; Sun is 6" in
diameter. Includes study guide.
Light up the Sun with this version of
Orbiter. Structurally identical to the standard Orbiter, this model can be
plugged into a standard wall outlet to illuminate the Sun. Includes lesson
plan.