I think a lot of your items would do super well, specifically your kids' items! They are so cute and emotional!
Each B&M location started differently - one I shopped at regularly and so I reached out to see if they were interested, one found me on etsy, one on instagram, and the one I started with last week is a local store who asked for interested artists in our local etsy team stream!
I did one craft fair during the holidays last year, and it was fun. They do take a lot of work and inventory, but I would like to do 1 or 2 more this coming fall.
It's definitely a hard balance to determine how much inventory to build up. It's unfortunate when the items are unproductive, but it can also hold you back from pursuing other opportunities. Anyone else have ideas about how they choose how many finished pieces to have on-hand?