Order early for pre-holiday delivery. Flinn (or Educational Innovations) will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025, will ship after we return.
DC10813
Price: FREE
Observe the motion of an irregularly shaped object as it spins around its center of mass. The path of the spinning object reveals that the net force of gravity pulls down on the object at its center of mass. The center of mass of the irregularly shaped object follows a simple parabolic trajectory when the object is tossed into the air.