Fisher-Price Imaginext Ultra T-rex 5 3 Power Pads bring the Imaginext Ultra T-Rex roaring to life! Turn the Power Pad behind his tail - he takes four steps forward, with exciting sound effects Turn the Power Pad above his left hip to raise him to his full height of 2 1/2 feet - and make the LEDs in his spikes and eyes light up! Turn the third Power Pad to open and close his mouth - and fire projectiles! Push button to launch boulders from his chest. Please refer the User Manual before use.