3.5 IDE Male to 2.5 IDE Female 44pin to 40pin Hard Drive Converter Adapter Card
Good for the price, paid for itself.
This item worked well, it's a tight fit against the pins and sits well. It helped me do a data transfer so it it never works again, it already paid for itself. It seems sturdy though, I might use it once or twice this decade.
40Pin ATA IDE to Compact Flash CF Adapter Converter w/ PCI Bracket Back Panel GL
This was assembled by a drunk or a small child - terrible build quality, falls apart readily.
Even if it was free, I would opt for a better adapter. Unfortunately, they seem to all be of pretty dubious quality.
City Connection Nintendo NES Video Game Cart
Good for the price.
It's OK - The game is as I remember it being, but the contacts were really dirty and the game isn't easy to get booted. It works though and is good value for money.