Yes, we can suggest merch!
https://forum.inaturalist.org/t/i-would-like-an-inat-hat/1186/217
Though I didn’t see any car magnet options in iNat’s current merch partner.
But many sites do have customizable ones you can order, so for funsies I made a mockup:
Ideally, the text line would be larger, and would be set by iNat.
Even more ideally…available in multiple languages (perhaps in a future release).