Ben 10  Transforming Arm Set: Heatblast, Diamonhead, and Four Arms Ben Judges your Punching Skills and Rates your Score! 4 Phrases from Ben and 3 Alien Phrases! Set includes a wearable Omnitrix Face Plate and 3 different Alien Arm Attachments - Heatblast, Diamondhead and Fourarms Requires 2 AAA batteries, not included For ages 4 and up