Having kids at your party? Have something on hand that is perfect for them with the Light Up Toys Bounce & Spin Top. This fun party favor is great for any event such as a birthday party celebration. Each inexpensive piece is three inches by five and a half inches in size. Simply activate each piece by connecting both parts of the toy and twist until it is tight. Press the button and simply let it drop to a smooth surface. Batteries are included for a quick and convenient use. Comes packed bulk in a pack of twelve pieces.