This is a really crazy football with music，led flashing lights，what's attracting kids' eyes is it'scrazily dancing melody! Material:Plastic Size: diameter 10cm 4 X AA battery(without) How to play: After opening the product shell，put into four AA batteries， press the switch， this section will start will flashing lights and dancing， singing melodious songs as well.Very funny toys for kids，they will like it so much，expecially at night with beautiful flashing lights. NOTE:This item come without retail box.