- Hand-operated gear-and-chain drive rotates the Earth on its axis, orients the axis in relation to the sun and revolves the Earth around the sun
- Features a 6 in. sun (15.2cm), a 15 in. arm (38.1cm), a 4 in. geophysical Earth globe (10.2cm), a cratered moon and a transparent hemisphere screen
|3 to 12|
|Lesson plan, 6 in. sun, 15 in. arm, 4 in. geophysical earth globe, cratered moon and transparent hemisphere screen|
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