This dart-firing blaster also has a spinning foam saw blade for two ways to keep zombies away. Load the darts into the blaster to be ready for an attack whenever you venture into zombie-infested territory. Fire up the spinning foam blade and start cutting this zombie invasion down to size! Prime the blaster and pull the trigger to fire one dart at a time, and pull the string to make the blade spin. The Nerf Zombie Strike Brainsaw blaster comes with eight Zombie Strike darts.