Melissa and Dough caterpillar puzzle (retails $8)
Dwell studio animal block sorter (discontinued, found price on bambuzo for $45)
Melissa and Doug puzzle (retails $8)
Plan Toys punch and drop (ball and hammer toy) (retails $25)
They've all been played with, though the dwell animal sorter for only a couple months. That one though, has some slight wear and tear, I included a picture so you can tell.
Asking for $30 + shipping.