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. Includes teacher's guide. For grades 6-12 and ages 11 to 18 years.
WARNING: CHOKING HAZARD -- Small parts. Not for children under 3 yrs
Purchase Contains: Turntable, Steel Balls, a Launcher and Manual
Return Policy: 30 Days