Strike it up! the Gyro-discs spin up to 1000 rpm! The original GYRO-RING® provides hours of fast-paced excitement for all ages! Just hold the 11" metal ring and strike the smaller, colored discs. As you rotate the ring, the discs begin spinning faster and faster, like mini-gyroscopes! At first, the challenge is to keep all the discs spinning. Once you can do this, there are several tricks and stunts to master!