OGCG Light up Magnetic Gyro Wheels Spinning Top Toys Rail Twirler Hand-held YoYo Gift for Kids Creative funny magnetic Gyroscope flashing falsh wheel toy for children Spin it super fast, fling it to spin on a flat surface and catch it again, the centrifugal force causes rainbow lights to light up 5 colors: blue, green, orange, pink, yellow, please note the color will be sent randomly or you leave us a message for what color you'd like to. A fascinating gadget - ignites the mind for hours; Encourages fine motor dexterity and sensory awareness Includes (3) button-cell batteries for the flashers.