When the LED Light Hoverball is hovering, the LED lights will activate, creating a glowing effect. You can control the movement of the hoverball by putting your hand around 10cm underneath the ball while it is flying. The base and propellers are made with polypropylene plastic. The size dimensions are 9.5cm x 9.5cm. Weighs 27g. Includes ball and charging cable. 25 minutes of charging time allows for 30 minutes of flying time.