I'm a decade older than you, and I'm still playing with toys recommended for children. I even got three of those Hatchimal toys last year because I was interested in how they worked, and because those are the kinds of toys that I like. Not only do I have those three, but a Furby Connect topped my Christmas list so that new Furby could join my other five.
Honestly, even though people might think I'm weird for liking toys recommended for children (I had to lie to someone when I was buying a Hatchimal, saying that it was a gift for my six-year-old son when I'm actually childfree), these are what keep me happy. These toys and the books that I read that are generally for young adult audiences are what I enjoy. And that's speaking as someone who has depression.
I have a decent job. I have adult friends, and we talk about adult topics like politics and work. But I come home and unwind by feeding one of my Furbies for a few minutes. It doesn't make me any less of an adult, or immature in any way. It's just a part of my interests, which make up who I am. Just like liking some children's entertainment makes you who you are, and that's perfectly fine. You're okay to like what you like.