Can You Imagine Non-Stop Top - Purple Give this top a twist and watch as it lights up and spins Measures 3-1/2 inches in diameter Seems like it spins forever Requires 2-CR3032 batteries - included with 2 extra batteries Ages 6 and up A top that seems to spin forever The Non-Stop Top picks up speed and keeps its balance  defying gravity and logic Add to this a light show that seems to change with every spin 2 sets of batteries included with every Non Stop Top