Works out to around $70 for a pretty decent tablet that you wouldn't mind losing somewhere!
Re-flashed to Kit Kat makes it a workable unit.
"This is product is refurbished and may have damaged packaging. The product itself is in Grade A condition.
The Kindle Fire HD 7-Inch 16 GB Tablet features a high definition display, quad-core processor, and Dolby Audio to bring your entertainment to life."
Worth a shot. I grabbed one. FREE DELIVERY
Don't forget, because this is a Amazon Kindle device that was marketed towards American users with wide availability to the internet and Amazon Cloud services, it eschews an SD card slot, so you're stuck with the onboard 16gb storage.
Specifications from Wikipedia
https://en.wikipedia.org/wiki/Fire_HD