Aero-Motion?s Aero Top? is the plastic model of the original Tom Thumb Finger Top? and is the newest addition to Aero-Motion?s? classic line of toys. This Top has been precision designed out of high-impact, high-density materials to spin for up to 60 seconds! Spin them right side up or upside down! Aero Tops? are guaranteed to keep you spinnin? & grinnin?!