As the steel spheres track a pattern on the kit's turntable, students simulate the effect of the Earth's rotation on winds, ocean currents and material objects.
Each kit includes: one 14" diameter base with erasable tracing surface mounted on a turntable, removable launch structure, on 3/4" diameter stell spheres and Teacher's guide.
Recommended for grades 6-12.
Price: $47.95
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