You build them. You race them. You blast them and crash them in an attempt to knock your opponents out of the battle dome with this supercharged Nitro Battlerz Starter Kit. The kit comes with all the pieces you need to build and customize your cars, add your favorite decals then race opponents in the "dome" track. The remote controller's "nitro" button gives your driver a big burst of energy and speed to help push opponents over the edge! Comes with pieces to build the Nitro Battle Dome, 2 turbo controllers, 2 racing chassis and 4 interchangeable armor sets.