Just a cautionary note to be very careful what lubes you use around
plastics.  If in doubt, test with a tiny amount.

An example of a bad/ignorant choice.  I had one of those rubik cube
puzzle thingys (with a million colored cubes that rotate around each
other) that was annoyingly stiff to manipulate.  So, on impulse, I
squirted some silicon spray lube into it.  It literally exploded in
my hand.  Some of the internal plastics were destroyed by that spray.

A relatively cheap lesson for me.

//Jack