I am attempting to make some custom pulsars for the big guy. I drilled out inside the sonic lance mount, and glued them inside. I then put the magnets on the end of the new pulsars with green stuff. The hard part was making sure that the pulsars were pointing the direction I want them to. So I positioned them and let it set overnight.
I may redo the pulsars though. They are not quite done. They are made from my son's old suction-dart arrows that he no longer plays with, and sections of pens. I am going to fix 'em up with some green stuff and see if that does it.