Is Wicca Safe?Please Help!?

Okay hi my name is Carlie i am 12 and well i am interested in starting wicca.I just wanted to know a few things about it
1)Is Wicca Safe?
2)What Supplies Would You Need?
3)Where can you buy supplies
4)What happens in the wicca circle?

Thanks for any help!
Update: Also i am studying witch wicca and i live in a small town and i don't think they have anything for witch craft =/
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