Use the Revolution Ultimatrix to send alien warriors spinning into battle. Attach a Ben 10 minfigure to the Ultimatrix, twist to wind up then press the button to launch the spinning figure and set off the Ultimatix's light effects. Launch two figures from two Ultimatixes to set up awesome spinning battles. The Revolution Ultimatrix comes with two 35mm mini figures to get you started, Ultimate Cannonbolt and Ultimate Big Chill. The Revolution Ultimatrix needs two LR44 batteries to work, which are included.