You get it by putting in clickables and then you can get a butterfly.
How To Get A Pet Butterfly On Pixie Hollow?
You have to get a clickable and then earn points & then you get a badge and a butterfly
Go to firefly light up
You have to get a clickables. One type of clickables it the one with a butterfly charm I think. Or you earn points and get a butterfly from clickables games.
I think you get a butterfly charm for the bracelet I'm not sure about the games tho
You have to become a member I think then get a pet then you can bring it to the hospital if it gets sick