No compromise on performance adding LED kits to your diabolo with this Taibolo. This is the only diabolo on the market designed specifically to incorporate LED kits. Each kit uses CR2032 batteries (included) and should provide around 5-6 hours of illuminated fun. This is an incredibly stable diabolo at both slow and fast speeds. It weights a mere 275g with lights! Ideal for tricks with two diabolos due to its innovative hubs and wide axle.