Regal Games The Original Whirl-O A classic tin toy, magnetic top performs gravity defying stunts Color Morphing Top changes colors right before your eyes Combine the principles of popular retro playthings like the yoyo and top, this spinning hand-held toy works on magnetic and centrifugal force. Whirl it along the tin rails to see the colors morph and hear the hypnotic whirring sound. Perform Fun Tricks, bump it on a table to launch the top, and pick it up again