Well, if you wanted, you could use some small self tapping screws to hold them in place..
But you Prolly won't want to do that.
For the ones on my good, I used a combination of that Automotive Goop and super glue. Holds like a
TeamFOCALIZE!// HATCH NATION #45// October '12 ROTM
Track build will commence by Christmas (hopefully)