Non-illuminated version:

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.

Width: 21
Height: 16
Weight: 5 lbs

Item# HS101
$174.25

Non-illuminated Spanish Language version:

Width: 21
Height: 16
Weight: 5 lbs

Item# HS101-S
PRICE: $174.25

Illuminated version:

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.

Item# HS151 
PRICE: $254.00

Illuminated Spanish Language version:

Item# HS151-S 
PRICE: $254.00

Exploring the Earth Moon System Set and Teacher's Guide

This educational kit includes the non-illuminated Orbiter, the Microslide Viewer and a 44-page teachers guide that includes many interactive experiments and activities.

Width: 20"
Height: 16"
Weight: 12 lbs

Item# HS155
PRICE: $245.25