Magic Spinner Set of 3, Magnetic Gyro Light Up Wheel, Hand Held Toy, 3+ The Magic Rail Twirler is a reproduction of a classic retro toy, using magnets to allow a spinning wheel to perform gravity-defying stunts. Combining the principles of popular retro playthings like the yoyo and top, this spinning hand-held toy works on magnetic and centrifugal force. A quick flick of the wrist sends the wheel spinning down the wire, the wheel spins so fast it blurs in a flash of light. Make it travel along the metal track to create a flashing light show and a hypnotic whirring sound. Selling 3 assorted colors for this listing! Batteries included. Makes a great party favor! Or gift!