The Spectrum has Fireball transaxle technology that delivers super long spins that make it easy for kids of all ages to perform the classic tricks. Manual (Responsive) Play, is the perfect choice for the intermediate player who wants to learn and advance their skills. With a flick of the wrist, the Spectrum spins or "sleeps" at the end of the string, allowing maximum time for the player to perform string tricks. The player is allowed complete control and determines when the trick is complete by calling the Spectrum back to the hand with a final flick of wrist