Ben 10 Power Up Figures are interactive figures that allow you to give your alien a surging burst of energy! The more you interact by pressing the button, the more they power up! Or hold down for an instant alien blast! Each character includes unique light up effects and signature alien phrases from the animated series. Press button repeatedly for full alien power up! Hold down button for instant alien blast! Power Up lights and sound effects with signature character phrases! Each figure is 6 inch in height and fully articulated!