Furby
If you had a Furby back in the day, then there’s a good chance that it’s collecting dust in your attic. If so, then you’re looking at a decent return on investment of at least $900. It’s certainly a sizable return considering that it’s just something that gathers dust in your storage room or attic.
This annoying fluffy electronic critter was a must-have item for 90s kids. However, its incessant gibberish nature annoyed parents who were forced to listen to it. It’s certainly not annoying anymore considering that it’s worth a ton of money today. However, your Furby must be in its original box in order to bring in the value and price that you want. Of course, new furbies aren’t as precious.