44004 Bulk is a Hero Factoryset released in January2013. It is one of the normal-sized sets and is also the only set with a shooting function in its wave, being able to fire a single flick missile. His shield is also able to connect to the back and, like the other heroes, his visor can flip open. He can combine with 44005 Bruizer.
This is a description taken from LEGO.com. Do not modify it.
Overpower the evil brain attack with BULK!
Report to LEGO® Hero Factory briefing room immediately! The evil brains are trying to take over the galaxy and we need some heavy-duty defenses to fend them off! We’re equipping you with Hero Factory weapons: a high-impact shield, visor armor and hero core locking clamps. Your high-speed laser drill is perfect for breaking through the rocky armor of 44005 BRUIZER. Be ready for anything in this battle!
Features rotating laser drill, flick missile, awesome high-impact shield, visor armor and super-tough hero core locking clamps
Includes highly durable and poseable design with translucent armor elements
Spin the laser drill!
Fire the flick missile!
Lock the clamps to protect the hero core!
Battle with 44005 BRUIZER!
Combine with 44005 BRUIZER using building instructions available at LEGO.com/herofactory!
Also includes unique code worth 400 game points for LEGO® Hero Factory Brain Attack mobile app and online game at www.LEGO.com/herofactory