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I would have a harness and leash; pups should not be walked with a collar.
Teething toys, get several of different shapes n sizes. My pups have all loved the teething rings.
Puppy proof your home, the scamps can get into everything. I have sliding doors on some of my cupboards, and I have a cat that loves to start the opening, and other dogs who complete the opening... so I've learnt not to put anything on the floor that is dangerous to them.
Check your fence line, make sure there are no openings a wee one can slip out of.
Good luck with your new pup