Verticon Sound Battle Attachment?

3 Electronic Games and Battle Sound Effects - Break the beams and trigger the sounds with the Verticon Sound Battle Attachment. Requires the Air Battle Arena (sold separately). Features: Adds additional interactive play and combat action to your Air Battle Arena! When mid-air warriors break the beam, battle sounds are triggered. Choose from 3 game modes: Spund Battle, Points Battle and Mega Battle. Launchers catapult warriors into the air stream to knock out opponents. Warriors battle in mid-air above, below and through the ring. Easily locks on top of the Air Battle Arena (sold separately). Requires 2 AAA batteries, not included. Ages 7+.