There are a couple of these available for sale, and have been for years at various prices. Since nobody is buying them, they probably aren't worth more than mentioned complete (that is, with the floppy drive, AC adapter, and cables.
I have one of these that was part of a bulk lot, but mine doesn't have the floppy, AC, or cables. but it was basically free in the lot I got.
It is a copier that allows you to transfer the hucard to a 3.5" floppy disk. I assume that it also needs to be connected to a computer with software as well in order to perform the transfer to disk. That said, it's gonna be a museum piece for most people. There are several vintage copier devices that spring up time to time. All are basically the same technology since that was the only way to store portable data at the time.
I haven't looked to see if there are modern copiers that allow you to dump roms for games that haven't already been captured. Are there any left that haven't been captured? Maybe the Kid's Station games? I think that the retro freak console can store the rom off of a hucard, but I'm not sure if you can copy the rom to a flash drive so it can be shared.
dshadoff, if yours is complete, I might be interested in it - since I am one of those museum freaks, but either way good luck if you decide to sell it.