And according to X userMichael, this is one of the vending machines: "[It's] a mystery vending machine where you can buy whatever is in the unclaimed packages from [the] delivery lockers." I was not able to confirm this on Twenty47 Marktplatz's site, but someone has postedInstagramandT...
and they are a perfect place to look for mystery boxes, pallets, and even truckloads. They don’t open the Amazon packages to sort through them or to make an inventory.