The Gyro-discs spin up to 1000 rpm and provides hours of fast-paced excitement for all ages. How Does the Gyro-Ring Work? The Gyro-Ring is really just five little tops of unusual design strung on a metal ring. Do you remember how tops appear to start wobbling as they slow down? This rotation of the spin axis is called precession and causes the ring to press on one side of the hole in the spinning top. The contact point between the ring and the top can be thought of as a gear that changes the motion of the upward moving ring into the top's spinning motion.
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