The LED kit for all Juggle Dream diabolos features 3 different, bright LED lights. It has an easy to use on/off switch and uses 3 x LR44 cell batteries. These can be replaced by using a very small screw driver. As an added bonus, this light kit is compatible with Sundia diabolos. Diabolo LED Light Kit 3 different, bright LED lights easy to use on/off switch light kit is compatible with Sundia diabolos and Juggle Dream