This responsive ball is made of sturdy plastic and can be applied many times. It can be applied repeatedly, proper for most beginners, stable and easy to play for fun, is designed with LED lights, when the ball is rotating, it will automatically light up the LEDs, glowing eye catching bright light in the dark, each one is approx. 2.2 x 2.2 x 1.5 inch, which is lightweight and easy to carry. It is an interesting ball for teens and adults. It can help promote hand eye coordination. Orders of 20000 pieces or greater are eligible for sea shipping.