Nope there not illegal. Flirt and spring poles are not paraphernalia they are actually great tools used for both play and conditioning dogs for show. I'm in Northern CA but I've been harassed many times by my neighbors and AC, for my spring and flirt poles. AC comes out and see's what nice playful dogs I have and they walk away laughing.
The whispering of the wise never entertains the fools- Floater