inflatable led thunder cheering stick 1.High quality 2.Suitable for vocal concert, competition. 3.meet CE certification Lightning sticks ,air sticks,cheering sticks,thunder sticks1. lightning sticks has a very small light bulb on the inside ,the producthas a small release tab that sticks out of the valve ,when the releasetab is pulled out ,a circuit is completed to power the light bulb (just like ...