It's always fun to look back on times long gone. Things have changed a lot over the years. It's a little sad too, especially for those whose best memories are from their childhoods.

Nostalgia is kind of bittersweet in that way. While nostalgia is a feeling that is specific to every individual, there are some universally nostalgic things that large groups of people can get. Especially during the late '80s, '90s and early 2000s, there were a lot of fast advancements in the world of toys and technology that much of today's generation experienced and grew up with.

These classic things paved the way for today's modern technology, and it's interesting to see just how far everything has come. Reddit's "Nostalgia" is a subreddit that's sort of like a scrapbook. It contains so many bits and pieces, moments and memories, of things in the past that were common and loved.

These 25 little moments of nostalgia just might make you feel a little old.