Last time I was at the opp shop, I saw a bundle of knitted squares, not my thing so I passed over them to pick up a couple of other packs of wool.
Then I went back as I was concerned that they would end up in landfill. They cost me $3 and there were 43 squares about 4 inches square.
I decided to put a border on them, one to make them bigger and two the joining stitches would be better hidden. Each one ended up over 5 inches and I did six by seven, using all but one. The challenge was tk complete it this month. I did and also finished the c2c one that I was working on as well.