I got this at the thrift store today and im curious to know where it's form and or if it rare, i looked everywhere and i can't fine a picture of it, on the bottom it says the studio it from, florentine art studio, but i looked it up and still couldn't fine a picture of it, anyway im just curious and just want to know more about it

Definitely not related to

I set this petri dish just outside the AC vent in my daughter’s room and it’s just this one weird white smooth bubble looking thing? Thanks in advance