Halloween Pumpkin LED KitVisit the Jameco Workshop page for our review and some tips for building this kit.Features 25 brightly-colored LEDs flash randomly to simulate a flickering candle 1 extra high intensity yellow LED illuminates the pumpkin On/Off switch Dimensions: 4.0" x 3.2" x 1.3" Requires one 9V battery, not included (recommend P/N: 198731) Check out more fun and exciting electronic kits